diff --git a/extern/sol3/README.md b/extern/sol3/README.md
index 202b2ca08b..fe249704c4 100644
--- a/extern/sol3/README.md
+++ b/extern/sol3/README.md
@@ -1,5 +1,8 @@
-The code in this directory is copied from https://github.com/ThePhD/sol2.git (64096348465b980e2f1d0e5ba9cbeea8782e8f27)
+The code in this directory is copied from https://github.com/ThePhD/sol2.git (c1f95a773c6f8f4fde8ca3efe872e7286afe4444) and has been patched to include
 
-Additional changes include cherry-picking upstream commit d805d027e0a0a7222e936926139f06e23828ce9f to fix compilation under Clang 19.
+https://github.com/ThePhD/sol2/pull/1674 (71d85143ad69164f5f52c3bdab91fb503c676eb4)
+https://github.com/ThePhD/sol2/pull/1676 (a6872ef46b08704b9069ebf83161f4637459ce63)
+https://github.com/ThePhD/sol2/pull/1716 (5b6881ed94c795298eae72b6848308e9a37e42c5)
+https://github.com/ThePhD/sol2/pull/1722 (ab874eb0e8ef8aea4c10074a89efa25f62a29d9a)
 
 License: MIT
diff --git a/extern/sol3/sol/abort.hpp b/extern/sol3/sol/abort.hpp
new file mode 100644
index 0000000000..692244daa7
--- /dev/null
+++ b/extern/sol3/sol/abort.hpp
@@ -0,0 +1,47 @@
+// sol2
+
+// The MIT License (MIT)
+
+// Copyright (c) 2013-2022 Rapptz, ThePhD and contributors
+
+// Permission is hereby granted, free of charge, to any person obtaining a copy of
+// this software and associated documentation files (the "Software"), to deal in
+// the Software without restriction, including without limitation the rights to
+// use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of
+// the Software, and to permit persons to whom the Software is furnished to do so,
+// subject to the following conditions:
+
+// The above copyright notice and this permission notice shall be included in all
+// copies or substantial portions of the Software.
+
+// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS
+// FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR
+// COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER
+// IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
+// CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+
+#ifndef SOL_ABORT_HPP
+#define SOL_ABORT_HPP
+
+#include <sol/version.hpp>
+
+#include <sol/base_traits.hpp>
+
+#include <cstdlib>
+
+// clang-format off
+#if SOL_IS_ON(SOL_DEBUG_BUILD)
+	#if SOL_IS_ON(SOL_COMPILER_VCXX)
+		#define SOL_DEBUG_ABORT() \
+			if (true) { ::std::abort(); } \
+			static_assert(true, "")
+	#else
+		#define SOL_DEBUG_ABORT() ::std::abort()
+	#endif
+#else
+	#define SOL_DEBUG_ABORT() static_assert(true, "")
+#endif
+// clang-format on
+
+#endif // SOL_ABORT_HPP
diff --git a/extern/sol3/sol/as_args.hpp b/extern/sol3/sol/as_args.hpp
index 5afe78b0e4..719a3cdc99 100644
--- a/extern/sol3/sol/as_args.hpp
+++ b/extern/sol3/sol/as_args.hpp
@@ -2,7 +2,7 @@
 
 // The MIT License (MIT)
 
-// Copyright (c) 2013-2021 Rapptz, ThePhD and contributors
+// Copyright (c) 2013-2022 Rapptz, ThePhD and contributors
 
 // Permission is hereby granted, free of charge, to any person obtaining a copy of
 // this software and associated documentation files (the "Software"), to deal in
diff --git a/extern/sol3/sol/as_returns.hpp b/extern/sol3/sol/as_returns.hpp
index 0ac499e67d..982f408b71 100644
--- a/extern/sol3/sol/as_returns.hpp
+++ b/extern/sol3/sol/as_returns.hpp
@@ -2,7 +2,7 @@
 
 // The MIT License (MIT)
 
-// Copyright (c) 2013-2021 Rapptz, ThePhD and contributors
+// Copyright (c) 2013-2022 Rapptz, ThePhD and contributors
 
 // Permission is hereby granted, free of charge, to any person obtaining a copy of
 // this software and associated documentation files (the "Software"), to deal in
diff --git a/extern/sol3/sol/assert.hpp b/extern/sol3/sol/assert.hpp
index e46b9f122a..7f27905dc4 100644
--- a/extern/sol3/sol/assert.hpp
+++ b/extern/sol3/sol/assert.hpp
@@ -1,99 +1,99 @@
-// sol2
-
-// The MIT License (MIT)
-
-// Copyright (c) 2013-2021 Rapptz, ThePhD and contributors
-
-// Permission is hereby granted, free of charge, to any person obtaining a copy of
-// this software and associated documentation files (the "Software"), to deal in
-// the Software without restriction, including without limitation the rights to
-// use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of
-// the Software, and to permit persons to whom the Software is furnished to do so,
-// subject to the following conditions:
-
-// The above copyright notice and this permission notice shall be included in all
-// copies or substantial portions of the Software.
-
-// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
-// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS
-// FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR
-// COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER
-// IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
-// CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
-
-#pragma once
-
-#ifndef SOL_ASSERT_HPP
-#define SOL_ASSERT_HPP
-
-#include <sol/forward.hpp>
-
-#if SOL_IS_ON(SOL2_CI_I_)
-
-struct pre_main {
-	pre_main() {
-#ifdef _MSC_VER
-		_set_abort_behavior(0, _WRITE_ABORT_MSG);
-#endif
-	}
-} inline sol2_ci_dont_lock_ci_please = {};
-
-#endif // Prevent lockup when doing Continuous Integration
-
-
-// clang-format off
-
-#if SOL_IS_ON(SOL_USER_C_ASSERT_I_)
-	#define sol_c_assert(...) SOL_C_ASSERT(__VA_ARGS__)
-#else
-	#if SOL_IS_ON(SOL_DEBUG_BUILD_I_)
-		#include <exception>
-		#include <iostream>
-		#include <cstdlib>
-
-			#define sol_c_assert(...)                                                                                               \
-				do {                                                                                                               \
-					if (!(__VA_ARGS__)) {                                                                                           \
-						std::cerr << "Assertion `" #__VA_ARGS__ "` failed in " << __FILE__ << " line " << __LINE__ << std::endl; \
-						std::terminate();                                                                                        \
-					}                                                                                                             \
-				} while (false)
-	#else
-		#define sol_c_assert(...)           \
-			do {                           \
-				if (false) {              \
-					(void)(__VA_ARGS__); \
-				}                         \
-			} while (false)
-	#endif
-#endif
-
-#if SOL_IS_ON(SOL_USER_M_ASSERT_I_)
-	#define sol_m_assert(message, ...) SOL_M_ASSERT(message, __VA_ARGS__)
-#else
-	#if SOL_IS_ON(SOL_DEBUG_BUILD_I_)
-		#include <exception>
-		#include <iostream>
-		#include <cstdlib>
-
-		#define sol_m_assert(message, ...)                                                                                                         \
-			do {                                                                                                                                  \
-				if (!(__VA_ARGS__)) {                                                                                                              \
-					std::cerr << "Assertion `" #__VA_ARGS__ "` failed in " << __FILE__ << " line " << __LINE__ << ": " << message << std::endl; \
-					std::terminate();                                                                                                           \
-				}                                                                                                                                \
-			} while (false)
-	#else
-		#define sol_m_assert(message, ...)    \
-			do {                             \
-				if (false) {                \
-					(void)(__VA_ARGS__);   \
-					(void)sizeof(message); \
-				}                           \
-			} while (false)
-	#endif
-#endif
-
-// clang-format on
-
-#endif // SOL_ASSERT_HPP
+// sol2
+
+// The MIT License (MIT)
+
+// Copyright (c) 2013-2022 Rapptz, ThePhD and contributors
+
+// Permission is hereby granted, free of charge, to any person obtaining a copy of
+// this software and associated documentation files (the "Software"), to deal in
+// the Software without restriction, including without limitation the rights to
+// use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of
+// the Software, and to permit persons to whom the Software is furnished to do so,
+// subject to the following conditions:
+
+// The above copyright notice and this permission notice shall be included in all
+// copies or substantial portions of the Software.
+
+// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS
+// FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR
+// COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER
+// IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
+// CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+
+#pragma once
+
+#ifndef SOL_ASSERT_HPP
+#define SOL_ASSERT_HPP
+
+#include <sol/forward.hpp>
+
+#if SOL_IS_ON(SOL2_CI)
+
+struct pre_main {
+	pre_main() {
+#ifdef _MSC_VER
+		_set_abort_behavior(0, _WRITE_ABORT_MSG);
+#endif
+	}
+} inline sol2_ci_dont_lock_ci_please = {};
+
+#endif // Prevent lockup when doing Continuous Integration
+
+
+// clang-format off
+
+#if SOL_IS_ON(SOL_USER_ASSERT)
+	#define SOL_ASSERT(...) SOL_C_ASSERT(__VA_ARGS__)
+#else
+	#if SOL_IS_ON(SOL_DEBUG_BUILD)
+		#include <exception>
+		#include <iostream>
+		#include <cstdlib>
+
+			#define SOL_ASSERT(...)                                                                                               \
+				do {                                                                                                               \
+					if (!(__VA_ARGS__)) {                                                                                           \
+						std::cerr << "Assertion `" #__VA_ARGS__ "` failed in " << __FILE__ << " line " << __LINE__ << std::endl; \
+						std::terminate();                                                                                        \
+					}                                                                                                             \
+				} while (false)
+	#else
+		#define SOL_ASSERT(...)           \
+			do {                           \
+				if (false) {              \
+					(void)(__VA_ARGS__); \
+				}                         \
+			} while (false)
+	#endif
+#endif
+
+#if SOL_IS_ON(SOL_USER_ASSERT_MSG)
+	#define SOL_ASSERT_MSG(message, ...) SOL_ASSERT_MSG(message, __VA_ARGS__)
+#else
+	#if SOL_IS_ON(SOL_DEBUG_BUILD)
+		#include <exception>
+		#include <iostream>
+		#include <cstdlib>
+
+		#define SOL_ASSERT_MSG(message, ...)                                                                                                         \
+			do {                                                                                                                                  \
+				if (!(__VA_ARGS__)) {                                                                                                              \
+					std::cerr << "Assertion `" #__VA_ARGS__ "` failed in " << __FILE__ << " line " << __LINE__ << ": " << message << std::endl; \
+					std::terminate();                                                                                                           \
+				}                                                                                                                                \
+			} while (false)
+	#else
+		#define SOL_ASSERT_MSG(message, ...)    \
+			do {                             \
+				if (false) {                \
+					(void)(__VA_ARGS__);   \
+					(void)sizeof(message); \
+				}                           \
+			} while (false)
+	#endif
+#endif
+
+// clang-format on
+
+#endif // SOL_ASSERT_HPP
diff --git a/extern/sol3/sol/base_traits.hpp b/extern/sol3/sol/base_traits.hpp
index a28f23a74c..204afc276f 100644
--- a/extern/sol3/sol/base_traits.hpp
+++ b/extern/sol3/sol/base_traits.hpp
@@ -1,123 +1,156 @@
-// sol2
-
-// The MIT License (MIT)
-
-// Copyright (c) 2013-2021 Rapptz, ThePhD and contributors
-
-// Permission is hereby granted, free of charge, to any person obtaining a copy of
-// this software and associated documentation files (the "Software"), to deal in
-// the Software without restriction, including without limitation the rights to
-// use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of
-// the Software, and to permit persons to whom the Software is furnished to do so,
-// subject to the following conditions:
-
-// The above copyright notice and this permission notice shall be included in all
-// copies or substantial portions of the Software.
-
-// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
-// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS
-// FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR
-// COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER
-// IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
-// CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
-
-#ifndef SOL_BASE_TRAITS_HPP
-#define SOL_BASE_TRAITS_HPP
-
-#include <type_traits>
-
-namespace sol {
-	namespace detail {
-		struct unchecked_t { };
-		const unchecked_t unchecked = unchecked_t {};
-	} // namespace detail
-
-	namespace meta {
-		using sfinae_yes_t = std::true_type;
-		using sfinae_no_t = std::false_type;
-
-		template <typename...>
-		using void_t = void;
-
-		template <typename T>
-		using unqualified = std::remove_cv<std::remove_reference_t<T>>;
-
-		template <typename T>
-		using unqualified_t = typename unqualified<T>::type;
-
-		namespace meta_detail {
-			template <typename T>
-			struct unqualified_non_alias : unqualified<T> { };
-
-			template <template <class...> class Test, class, class... Args>
-			struct is_detected : std::false_type { };
-
-			template <template <class...> class Test, class... Args>
-			struct is_detected<Test, void_t<Test<Args...>>, Args...> : std::true_type { };
-		} // namespace meta_detail
-
-		template <template <class...> class Trait, class... Args>
-		using is_detected = typename meta_detail::is_detected<Trait, void, Args...>::type;
-
-		template <template <class...> class Trait, class... Args>
-		constexpr inline bool is_detected_v = is_detected<Trait, Args...>::value;
-
-		template <std::size_t I>
-		using index_value = std::integral_constant<std::size_t, I>;
-
-		template <bool>
-		struct conditional {
-			template <typename T, typename U>
-			using type = T;
-		};
-
-		template <>
-		struct conditional<false> {
-			template <typename T, typename U>
-			using type = U;
-		};
-
-		template <bool B, typename T, typename U>
-		using conditional_t = typename conditional<B>::template type<T, U>;
-
-		namespace meta_detail {
-			template <typename T, template <typename...> class Templ>
-			struct is_specialization_of : std::false_type { };
-			template <typename... T, template <typename...> class Templ>
-			struct is_specialization_of<Templ<T...>, Templ> : std::true_type { };
-		} // namespace meta_detail
-
-		template <typename T, template <typename...> class Templ>
-		using is_specialization_of = meta_detail::is_specialization_of<std::remove_cv_t<T>, Templ>;
-
-		template <typename T, template <typename...> class Templ>
-		inline constexpr bool is_specialization_of_v = is_specialization_of<std::remove_cv_t<T>, Templ>::value;
-
-		template <typename T>
-		struct identity {
-			typedef T type;
-		};
-
-		template <typename T>
-		using identity_t = typename identity<T>::type;
-
-		template <typename T>
-		using is_builtin_type = std::integral_constant<bool, std::is_arithmetic<T>::value || std::is_pointer<T>::value || std::is_array<T>::value>;
-
-		namespace meta_detail {
-			template <typename T, typename = void>
-			struct has_internal_marker_impl : std::false_type { };
-			template <typename T>
-			struct has_internal_marker_impl<T, void_t<typename T::SOL_INTERNAL_UNSPECIALIZED_MARKER_>> : std::true_type { };
-
-			template <typename T>
-			using has_internal_marker = has_internal_marker_impl<T>;
-
-			template <typename T>
-			constexpr inline bool has_internal_marker_v = has_internal_marker<T>::value;
-		} // namespace meta_detail
-
-	} // namespace meta
-} // namespace sol
-
-#endif // SOL_BASE_TRAITS_HPP
+// sol2
+
+// The MIT License (MIT)
+
+// Copyright (c) 2013-2022 Rapptz, ThePhD and contributors
+
+// Permission is hereby granted, free of charge, to any person obtaining a copy of
+// this software and associated documentation files (the "Software"), to deal in
+// the Software without restriction, including without limitation the rights to
+// use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of
+// the Software, and to permit persons to whom the Software is furnished to do so,
+// subject to the following conditions:
+
+// The above copyright notice and this permission notice shall be included in all
+// copies or substantial portions of the Software.
+
+// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS
+// FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR
+// COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER
+// IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
+// CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+
+#ifndef SOL_BASE_TRAITS_HPP
+#define SOL_BASE_TRAITS_HPP
+
+#include <type_traits>
+
+namespace sol {
+	namespace detail {
+		struct unchecked_t { };
+		const unchecked_t unchecked = unchecked_t {};
+	} // namespace detail
+
+	namespace meta {
+		using sfinae_yes_t = std::true_type;
+		using sfinae_no_t = std::false_type;
+
+		template <typename...>
+		using void_t = void;
+
+		template <typename T>
+		using unqualified = std::remove_cv<std::remove_reference_t<T>>;
+
+		template <typename T>
+		using unqualified_t = typename unqualified<T>::type;
+
+		namespace meta_detail {
+			template <typename T>
+			struct unqualified_non_alias : unqualified<T> { };
+
+			template <template <class...> class Test, class, class... Args>
+			struct is_detected : std::false_type { };
+
+			template <template <class...> class Test, class... Args>
+			struct is_detected<Test, void_t<Test<Args...>>, Args...> : std::true_type { };
+		} // namespace meta_detail
+
+		template <template <class...> class Trait, class... Args>
+		using is_detected = typename meta_detail::is_detected<Trait, void, Args...>::type;
+
+		template <template <class...> class Trait, class... Args>
+		constexpr inline bool is_detected_v = is_detected<Trait, Args...>::value;
+
+		template <typename _Default, typename _Void, template <typename...> typename _Op, typename... _Args>
+		class detector {
+		public:
+			using value_t = ::std::false_type;
+			using type = _Default;
+		};
+
+		template <typename _Default, template <typename...> typename _Op, typename... _Args>
+		class detector<_Default, void_t<_Op<_Args...>>, _Op, _Args...> {
+		public:
+			using value_t = ::std::true_type;
+			using type = _Op<_Args...>;
+		};
+
+		class nonesuch {
+		public:
+			~nonesuch() = delete;
+			nonesuch(nonesuch const&) = delete;
+			nonesuch& operator=(nonesuch const&) = delete;
+		};
+
+		template <template <typename...> typename _Op, typename... _Args>
+		using detected_t = typename detector<nonesuch, void, _Op, _Args...>::type;
+
+		template <typename _Default, template <typename...> typename _Op, typename... _Args>
+		using detected_or = detector<_Default, void, _Op, _Args...>;
+
+		template <typename _Default, template <typename...> typename _Op, typename... _Args>
+		using detected_or_t = typename detector<_Default, void, _Op, _Args...>::type;
+
+		template <typename _Default, template <typename...> typename _Op, typename... _Args>
+		constexpr inline bool detected_or_v = detector<_Default, void, _Op, _Args...>::value;
+
+		template <std::size_t I>
+		using index_value = std::integral_constant<std::size_t, I>;
+
+		template <bool>
+		struct conditional {
+			template <typename T, typename U>
+			using type = T;
+		};
+
+		template <>
+		struct conditional<false> {
+			template <typename T, typename U>
+			using type = U;
+		};
+
+		template <bool B, typename T, typename U>
+		using conditional_t = typename conditional<B>::template type<T, U>;
+
+		namespace meta_detail {
+			template <typename T, template <typename...> class Templ>
+			struct is_specialization_of : std::false_type { };
+			template <typename... T, template <typename...> class Templ>
+			struct is_specialization_of<Templ<T...>, Templ> : std::true_type { };
+		} // namespace meta_detail
+
+		template <typename T, template <typename...> class Templ>
+		using is_specialization_of = meta_detail::is_specialization_of<std::remove_cv_t<T>, Templ>;
+
+		template <typename T, template <typename...> class Templ>
+		inline constexpr bool is_specialization_of_v = is_specialization_of<std::remove_cv_t<T>, Templ>::value;
+
+		template <typename T>
+		struct identity {
+			typedef T type;
+		};
+
+		template <typename T>
+		using identity_t = typename identity<T>::type;
+
+		template <typename T>
+		using is_builtin_type = std::integral_constant<bool, std::is_arithmetic<T>::value || std::is_pointer<T>::value || std::is_array<T>::value>;
+
+		namespace meta_detail {
+			template <typename T, typename = void>
+			struct has_internal_marker_impl : std::false_type { };
+			template <typename T>
+			struct has_internal_marker_impl<T, void_t<typename T::SOL_INTERNAL_UNSPECIALIZED_MARKER_>> : std::true_type { };
+
+			template <typename T>
+			using has_internal_marker = has_internal_marker_impl<T>;
+
+			template <typename T>
+			constexpr inline bool has_internal_marker_v = has_internal_marker<T>::value;
+		} // namespace meta_detail
+
+	} // namespace meta
+} // namespace sol
+
+#endif // SOL_BASE_TRAITS_HPP
diff --git a/extern/sol3/sol/bind_traits.hpp b/extern/sol3/sol/bind_traits.hpp
index e11d753d10..a85bba61a1 100644
--- a/extern/sol3/sol/bind_traits.hpp
+++ b/extern/sol3/sol/bind_traits.hpp
@@ -2,7 +2,7 @@
 
 // The MIT License (MIT)
 
-// Copyright (c) 2013-2021 Rapptz, ThePhD and contributors
+// Copyright (c) 2013-2022 Rapptz, ThePhD and contributors
 
 // Permission is hereby granted, free of charge, to any person obtaining a copy of
 // this software and associated documentation files (the "Software"), to deal in
@@ -31,7 +31,7 @@
 namespace sol { namespace meta {
 	namespace meta_detail {
 		template <typename F>
-		using detect_deducible_signature = decltype(&F::operator(), void());
+		using detect_deducible_signature = decltype(&F::operator());
 	} // namespace meta_detail
 
 	template <typename F>
@@ -196,7 +196,7 @@ namespace sol { namespace meta {
 			typedef R (T::*function_pointer_type)(Args..., ...) const volatile&&;
 		};
 
-#if SOL_IS_ON(SOL_USE_NOEXCEPT_FUNCTION_TYPE_I_)
+#if SOL_IS_ON(SOL_USE_NOEXCEPT_FUNCTION_TYPE)
 
 		template <typename R, typename... Args>
 		struct fx_traits<R(Args...) noexcept, false> : public basic_traits<true, false, void, R, Args...> {
@@ -311,7 +311,7 @@ namespace sol { namespace meta {
 
 #endif // noexcept is part of a function's type
 
-#if SOL_IS_ON(SOL_COMPILER_VCXX_I_) && SOL_IS_ON(SOL_PLATFORM_X86_I_)
+#if SOL_IS_ON(SOL_COMPILER_VCXX) && SOL_IS_ON(SOL_PLATFORM_X86)
 		template <typename R, typename... Args>
 		struct fx_traits<R __stdcall(Args...), false> : public basic_traits<false, false, void, R, Args...> {
 			typedef R(__stdcall* function_pointer_type)(Args...);
@@ -369,7 +369,7 @@ namespace sol { namespace meta {
 			typedef R (__stdcall T::*function_pointer_type)(Args...) const volatile&&;
 		};
 
-#if SOL_IS_ON(SOL_USE_NOEXCEPT_FUNCTION_TYPE_I_)
+#if SOL_IS_ON(SOL_USE_NOEXCEPT_FUNCTION_TYPE)
 
 		template <typename R, typename... Args>
 		struct fx_traits<R __stdcall(Args...) noexcept, false> : public basic_traits<true, false, void, R, Args...> {
diff --git a/extern/sol3/sol/bytecode.hpp b/extern/sol3/sol/bytecode.hpp
index 1b8c905b6f..53891f7ca7 100644
--- a/extern/sol3/sol/bytecode.hpp
+++ b/extern/sol3/sol/bytecode.hpp
@@ -1,121 +1,121 @@
-// sol2
-
-// The MIT License (MIT)
-
-// Copyright (c) 2013-2021 Rapptz, ThePhD and contributors
-
-// Permission is hereby granted, free of charge, to any person obtaining a copy of
-// this software and associated documentation files (the "Software"), to deal in
-// the Software without restriction, including without limitation the rights to
-// use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of
-// the Software, and to permit persons to whom the Software is furnished to do so,
-// subject to the following conditions:
-
-// The above copyright notice and this permission notice shall be included in all
-// copies or substantial portions of the Software.
-
-// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
-// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS
-// FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR
-// COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER
-// IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
-// CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
-
-#ifndef SOL_BYTECODE_HPP
-#define SOL_BYTECODE_HPP
-
-#include <sol/compatibility.hpp>
-#include <sol/string_view.hpp>
-#include <vector>
-#include <cstdint>
-#include <cstddef>
-
-namespace sol {
-
-	template <typename Allocator = std::allocator<std::byte>>
-	class basic_bytecode : private std::vector<std::byte, Allocator> {
-	private:
-		using base_t = std::vector<std::byte, Allocator>;
-
-	public:
-		using typename base_t::allocator_type;
-		using typename base_t::const_iterator;
-		using typename base_t::const_pointer;
-		using typename base_t::const_reference;
-		using typename base_t::const_reverse_iterator;
-		using typename base_t::difference_type;
-		using typename base_t::iterator;
-		using typename base_t::pointer;
-		using typename base_t::reference;
-		using typename base_t::reverse_iterator;
-		using typename base_t::size_type;
-		using typename base_t::value_type;
-
-		using base_t::base_t;
-		using base_t::operator=;
-
-		using base_t::data;
-		using base_t::empty;
-		using base_t::max_size;
-		using base_t::size;
-
-		using base_t::at;
-		using base_t::operator[];
-		using base_t::back;
-		using base_t::front;
-
-		using base_t::begin;
-		using base_t::cbegin;
-		using base_t::cend;
-		using base_t::end;
-
-		using base_t::crbegin;
-		using base_t::crend;
-		using base_t::rbegin;
-		using base_t::rend;
-
-
-		using base_t::get_allocator;
-		using base_t::swap;
-
-		using base_t::clear;
-		using base_t::emplace;
-		using base_t::emplace_back;
-		using base_t::erase;
-		using base_t::insert;
-		using base_t::pop_back;
-		using base_t::push_back;
-		using base_t::reserve;
-		using base_t::resize;
-		using base_t::shrink_to_fit;
-
-		string_view as_string_view() const {
-			return string_view(reinterpret_cast<const char*>(this->data()), this->size());
-		}
-	};
-
-	template <typename Container>
-	inline int basic_insert_dump_writer(lua_State*, const void* memory, size_t memory_size, void* userdata_pointer) {
-		using storage_t = Container;
-		const std::byte* p_code = static_cast<const std::byte*>(memory);
-		storage_t& bc = *static_cast<storage_t*>(userdata_pointer);
-#if SOL_IS_OFF(SOL_EXCEPTIONS_I_)
-		bc.insert(bc.cend(), p_code, p_code + memory_size);
-#else
-		try {
-			bc.insert(bc.cend(), p_code, p_code + memory_size);
-		}
-		catch (...) {
-			return -1;
-		}
-#endif
-		return 0;
-	}
-
-	using bytecode = basic_bytecode<>;
-
-	constexpr inline auto bytecode_dump_writer = &basic_insert_dump_writer<bytecode>;
-
-} // namespace sol
-
-#endif // SOL_BYTECODE_HPP
+// sol2
+
+// The MIT License (MIT)
+
+// Copyright (c) 2013-2022 Rapptz, ThePhD and contributors
+
+// Permission is hereby granted, free of charge, to any person obtaining a copy of
+// this software and associated documentation files (the "Software"), to deal in
+// the Software without restriction, including without limitation the rights to
+// use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of
+// the Software, and to permit persons to whom the Software is furnished to do so,
+// subject to the following conditions:
+
+// The above copyright notice and this permission notice shall be included in all
+// copies or substantial portions of the Software.
+
+// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS
+// FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR
+// COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER
+// IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
+// CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+
+#ifndef SOL_BYTECODE_HPP
+#define SOL_BYTECODE_HPP
+
+#include <sol/compatibility.hpp>
+#include <sol/string_view.hpp>
+#include <vector>
+#include <cstdint>
+#include <cstddef>
+
+namespace sol {
+
+	template <typename Allocator = std::allocator<std::byte>>
+	class basic_bytecode : private std::vector<std::byte, Allocator> {
+	private:
+		using base_t = std::vector<std::byte, Allocator>;
+
+	public:
+		using typename base_t::allocator_type;
+		using typename base_t::const_iterator;
+		using typename base_t::const_pointer;
+		using typename base_t::const_reference;
+		using typename base_t::const_reverse_iterator;
+		using typename base_t::difference_type;
+		using typename base_t::iterator;
+		using typename base_t::pointer;
+		using typename base_t::reference;
+		using typename base_t::reverse_iterator;
+		using typename base_t::size_type;
+		using typename base_t::value_type;
+
+		using base_t::base_t;
+		using base_t::operator=;
+
+		using base_t::data;
+		using base_t::empty;
+		using base_t::max_size;
+		using base_t::size;
+
+		using base_t::at;
+		using base_t::operator[];
+		using base_t::back;
+		using base_t::front;
+
+		using base_t::begin;
+		using base_t::cbegin;
+		using base_t::cend;
+		using base_t::end;
+
+		using base_t::crbegin;
+		using base_t::crend;
+		using base_t::rbegin;
+		using base_t::rend;
+
+
+		using base_t::get_allocator;
+		using base_t::swap;
+
+		using base_t::clear;
+		using base_t::emplace;
+		using base_t::emplace_back;
+		using base_t::erase;
+		using base_t::insert;
+		using base_t::pop_back;
+		using base_t::push_back;
+		using base_t::reserve;
+		using base_t::resize;
+		using base_t::shrink_to_fit;
+
+		string_view as_string_view() const {
+			return string_view(reinterpret_cast<const char*>(this->data()), this->size());
+		}
+	};
+
+	template <typename Container>
+	inline int basic_insert_dump_writer(lua_State*, const void* memory, size_t memory_size, void* userdata_pointer) {
+		using storage_t = Container;
+		const std::byte* p_code = static_cast<const std::byte*>(memory);
+		storage_t& bc = *static_cast<storage_t*>(userdata_pointer);
+#if SOL_IS_OFF(SOL_EXCEPTIONS)
+		bc.insert(bc.cend(), p_code, p_code + memory_size);
+#else
+		try {
+			bc.insert(bc.cend(), p_code, p_code + memory_size);
+		}
+		catch (...) {
+			return -1;
+		}
+#endif
+		return 0;
+	}
+
+	using bytecode = basic_bytecode<>;
+
+	constexpr inline auto bytecode_dump_writer = &basic_insert_dump_writer<bytecode>;
+
+} // namespace sol
+
+#endif // SOL_BYTECODE_HPP
diff --git a/extern/sol3/sol/call.hpp b/extern/sol3/sol/call.hpp
index d06cf96f86..a02ea9980e 100644
--- a/extern/sol3/sol/call.hpp
+++ b/extern/sol3/sol/call.hpp
@@ -2,7 +2,7 @@
 
 // The MIT License (MIT)
 
-// Copyright (c) 2013-2021 Rapptz, ThePhD and contributors
+// Copyright (c) 2013-2022 Rapptz, ThePhD and contributors
 
 // Permission is hereby granted, free of charge, to any person obtaining a copy of
 // this software and associated documentation files (the "Software"), to deal in
@@ -54,7 +54,7 @@ namespace sol {
 				lua_createtable(L, static_cast<int>(sizeof...(In)), 0);
 				stack_reference deps(L, -1);
 				auto per_dep = [&L, &deps](int i) {
-#if SOL_IS_ON(SOL_SAFE_STACK_CHECK_I_)
+#if SOL_IS_ON(SOL_SAFE_STACK_CHECK)
 					luaL_checkstack(L, 1, detail::not_enough_stack_space_generic);
 #endif // make sure stack doesn't overflow
 					lua_pushvalue(L, i);
@@ -79,7 +79,7 @@ namespace sol {
 			}
 			lua_createtable(L, static_cast<int>(sdeps.size()), 0);
 			stack_reference deps(L, -1);
-#if SOL_IS_ON(SOL_SAFE_STACK_CHECK_I_)
+#if SOL_IS_ON(SOL_SAFE_STACK_CHECK)
 			luaL_checkstack(L, static_cast<int>(sdeps.size()), detail::not_enough_stack_space_generic);
 #endif // make sure stack doesn't overflow
 			for (std::size_t i = 0; i < sdeps.size(); ++i) {
@@ -429,7 +429,7 @@ namespace sol {
 			}
 		};
 
-#if SOL_IS_ON(SOL_USE_NOEXCEPT_FUNCTION_TYPE_I_)
+#if SOL_IS_ON(SOL_USE_NOEXCEPT_FUNCTION_TYPE)
 		template <bool is_index, bool is_variable, bool checked, int boost, bool clean_stack, typename C>
 		struct agnostic_lua_call_wrapper<detail::lua_CFunction_noexcept, is_index, is_variable, checked, boost, clean_stack, C> {
 			static int call(lua_State* L, detail::lua_CFunction_noexcept f) {
@@ -478,12 +478,13 @@ namespace sol {
 					using object_type = typename wrap::object_type;
 					if constexpr (sizeof...(Args) < 1) {
 						using Ta = meta::conditional_t<std::is_void_v<T>, object_type, T>;
-						static_assert(std::is_base_of_v<object_type, Ta>,
+						static_assert(std::is_same_v<object_type, Ta> || std::is_base_of_v<object_type, Ta>,
 						     "It seems like you might have accidentally bound a class type with a member function method that does not correspond to the "
 						     "class. For example, there could be a small type in your new_usertype<T>(...) binding, where you specify one class \"T\" "
 						     "but then bind member methods from a complete unrelated class. Check things over!");
-#if SOL_IS_ON(SOL_SAFE_USERTYPE_I_)
-						auto maybeo = stack::check_get<Ta*>(L, 1);
+#if SOL_IS_ON(SOL_SAFE_USERTYPE)
+						stack::record tracking {};
+						auto maybeo = stack::stack_detail::check_get_arg<Ta*>(L, 1, &no_panic, tracking);
 						if (!maybeo || maybeo.value() == nullptr) {
 							return luaL_error(L,
 							     "sol: received nil for 'self' argument (use ':' for accessing member functions, make sure member variables are "
@@ -511,12 +512,13 @@ namespace sol {
 					if constexpr (is_index) {
 						if constexpr (sizeof...(Args) < 1) {
 							using Ta = meta::conditional_t<std::is_void_v<T>, object_type, T>;
-							static_assert(std::is_base_of_v<object_type, Ta>,
+							static_assert(std::is_same_v<object_type, Ta> || std::is_base_of_v<object_type, Ta>,
 							     "It seems like you might have accidentally bound a class type with a member function method that does not correspond "
 							     "to the class. For example, there could be a small type in your new_usertype<T>(...) binding, where you specify one "
 							     "class \"T\" but then bind member methods from a complete unrelated class. Check things over!");
-#if SOL_IS_ON(SOL_SAFE_USERTYPE_I_)
-							auto maybeo = stack::check_get<Ta*>(L, 1);
+#if SOL_IS_ON(SOL_SAFE_USERTYPE)
+							stack::record tracking {};
+							auto maybeo = stack::stack_detail::check_get_arg<Ta*>(L, 1, &no_panic, tracking);
 							if (!maybeo || maybeo.value() == nullptr) {
 								if (is_variable) {
 									return luaL_error(L, "sol: 'self' argument is lua_nil (bad '.' access?)");
@@ -573,8 +575,9 @@ namespace sol {
 								}
 								else {
 									using Ta = meta::conditional_t<std::is_void_v<T>, object_type, T>;
-#if SOL_IS_ON(SOL_SAFE_USERTYPE_I_)
-									auto maybeo = stack::check_get<Ta*>(L, 1);
+#if SOL_IS_ON(SOL_SAFE_USERTYPE)
+								stack::record tracking {};
+								auto maybeo = stack::stack_detail::check_get_arg<Ta*>(L, 1, &no_panic, tracking);
 									if (!maybeo || maybeo.value() == nullptr) {
 										if (is_variable) {
 											return luaL_error(L, "sol: received nil for 'self' argument (bad '.' access?)");
@@ -811,8 +814,9 @@ namespace sol {
 						using args_list = meta::pop_front_type_t<typename traits_type::free_args_list>;
 						using Ta = T;
 						using Oa = std::remove_pointer_t<object_type>;
-#if SOL_IS_ON(SOL_SAFE_USERTYPE_I_)
-						auto maybeo = stack::check_get<Ta*>(L, 1);
+#if SOL_IS_ON(SOL_SAFE_USERTYPE)
+						stack::record tracking {};
+						auto maybeo = stack::stack_detail::check_get_arg<Ta*>(L, 1, &no_panic, tracking);
 						if (!maybeo || maybeo.value() == nullptr) {
 							if (is_variable) {
 								return luaL_error(L, "sol: 'self' argument is lua_nil (bad '.' access?)");
diff --git a/extern/sol3/sol/compatibility.hpp b/extern/sol3/sol/compatibility.hpp
index d2d01bd7c9..987e06cb43 100644
--- a/extern/sol3/sol/compatibility.hpp
+++ b/extern/sol3/sol/compatibility.hpp
@@ -2,7 +2,7 @@
 
 // The MIT License (MIT)
 
-// Copyright (c) 2013-2021 Rapptz, ThePhD and contributors
+// Copyright (c) 2013-2022 Rapptz, ThePhD and contributors
 
 // Permission is hereby granted, free of charge, to any person obtaining a copy of
 // this software and associated documentation files (the "Software"), to deal in
@@ -32,20 +32,20 @@
 #include <sol/version.hpp>
 #include <sol/compatibility/lua_version.hpp>
 
-#if SOL_IS_ON(SOL_USE_COMPATIBILITY_LAYER_I_)
+#if SOL_IS_ON(SOL_USE_COMPATIBILITY_LAYER)
 
-#if SOL_IS_ON(SOL_USE_CXX_LUA_I_) || SOL_IS_ON(SOL_USE_CXX_LUAJIT_I_)
-#ifndef COMPAT53_LUA_CPP
-#define COMPAT53_LUA_CPP 1
-#endif // Build Lua Compat layer as C++
+// clang-format off
+#if SOL_IS_ON(SOL_USING_CXX_LUA) || SOL_IS_ON(SOL_USING_CXX_LUAJIT)
+	#ifndef COMPAT53_LUA_CPP
+		#define COMPAT53_LUA_CPP 1
+	#endif // Build Lua Compat layer as C++
 #endif
-#ifndef COMPAT53_INCLUDE_SOURCE
-#define COMPAT53_INCLUDE_SOURCE 1
-#endif // Build Compat Layer Inline
-
-#include <sol/compatibility/compat-5.3.h>
-#include <sol/compatibility/compat-5.4.h>
-
+	#ifndef COMPAT53_INCLUDE_SOURCE
+		#define COMPAT53_INCLUDE_SOURCE 1
+	#endif // Build Compat Layer Inline
+	#include <sol/compatibility/compat-5.3.h>
+	#include <sol/compatibility/compat-5.4.h>
 #endif
+// clang-format on
 
 #endif // SOL_COMPATIBILITY_HPP
diff --git a/extern/sol3/sol/compatibility/compat-5.3.c.h b/extern/sol3/sol/compatibility/compat-5.3.c.h
index 4c65c1e979..efbddae5ab 100644
--- a/extern/sol3/sol/compatibility/compat-5.3.c.h
+++ b/extern/sol3/sol/compatibility/compat-5.3.c.h
@@ -1,900 +1,900 @@
-#include <sol/compatibility/compat-5.3.h>
-
-#include <stddef.h>
-#include <stdlib.h>
-#include <string.h>
-#include <ctype.h>
-#include <errno.h>
-#include <stdio.h>
-
-/* don't compile it again if it already is included via compat53.h */
-#ifndef KEPLER_PROJECT_COMPAT53_C_
-#define KEPLER_PROJECT_COMPAT53_C_
-
-
-
-/* definitions for Lua 5.1 only */
-#if defined(LUA_VERSION_NUM) && LUA_VERSION_NUM == 501
-
-#ifndef COMPAT53_FOPEN_NO_LOCK
-#if defined(_MSC_VER)
-#define COMPAT53_FOPEN_NO_LOCK 1
-#else /* otherwise */
-#define COMPAT53_FOPEN_NO_LOCK 0
-#endif /* VC++ only so far */
-#endif /* No-lock fopen_s usage if possible */
-
-#if defined(_MSC_VER) && COMPAT53_FOPEN_NO_LOCK
-#include <share.h>
-#endif /* VC++ _fsopen for share-allowed file read */
-
-#ifndef COMPAT53_HAVE_STRERROR_R
-#if defined(__GLIBC__) || defined(_POSIX_VERSION) || defined(__APPLE__) || (!defined(__MINGW32__) && defined(__GNUC__) && (__GNUC__ < 6))
-#define COMPAT53_HAVE_STRERROR_R 1
-#else /* none of the defines matched: define to 0 */
-#define COMPAT53_HAVE_STRERROR_R 0
-#endif /* have strerror_r of some form */
-#endif /* strerror_r */
-
-#ifndef COMPAT53_HAVE_STRERROR_S
-#if defined(_MSC_VER) || (defined(__STDC_VERSION__) && __STDC_VERSION__ >= 201112L) || (defined(__STDC_LIB_EXT1__) && __STDC_LIB_EXT1__)
-#define COMPAT53_HAVE_STRERROR_S 1
-#else /* not VC++ or C11 */
-#define COMPAT53_HAVE_STRERROR_S 0
-#endif /* strerror_s from VC++ or C11 */
-#endif /* strerror_s */
-
-#ifndef COMPAT53_LUA_FILE_BUFFER_SIZE
-#define COMPAT53_LUA_FILE_BUFFER_SIZE 4096
-#endif /* Lua File Buffer Size */
-
-
-static char* compat53_strerror(int en, char* buff, size_t sz) {
-#if COMPAT53_HAVE_STRERROR_R
-	/* use strerror_r here, because it's available on these specific platforms */
-	if (sz > 0) {
-		buff[0] = '\0';
-		/* we don't care whether the GNU version or the XSI version is used: */
-		if (strerror_r(en, buff, sz)) {
-			/* Yes, we really DO want to ignore the return value!
-			 * GCC makes that extra hard, not even a (void) cast will do. */
-		}
-		if (buff[0] == '\0') {
-			/* Buffer is unchanged, so we probably have called GNU strerror_r which
-			 * returned a static constant string. Chances are that strerror will
-			 * return the same static constant string and therefore be thread-safe. */
-			return strerror(en);
-		}
-	}
-	return buff; /* sz is 0 *or* strerror_r wrote into the buffer */
-#elif COMPAT53_HAVE_STRERROR_S
-	/* for MSVC and other C11 implementations, use strerror_s since it's
-	 * provided by default by the libraries */
-	strerror_s(buff, sz, en);
-	return buff;
-#else
-	/* fallback, but strerror is not guaranteed to be threadsafe due to modifying
-	 * errno itself and some impls not locking a static buffer for it ... but most
-	 * known systems have threadsafe errno: this might only change if the locale
-	 * is changed out from under someone while this function is being called */
-	(void)buff;
-	(void)sz;
-	return strerror(en);
-#endif
-}
-
-
-COMPAT53_API int lua_absindex(lua_State* L, int i) {
-	if (i < 0 && i > LUA_REGISTRYINDEX)
-		i += lua_gettop(L) + 1;
-	return i;
-}
-
-
-static void compat53_call_lua(lua_State* L, char const code[], size_t len, int nargs, int nret) {
-	lua_rawgetp(L, LUA_REGISTRYINDEX, (void*)code);
-	if (lua_type(L, -1) != LUA_TFUNCTION) {
-		lua_pop(L, 1);
-		if (luaL_loadbuffer(L, code, len, "=none"))
-			lua_error(L);
-		lua_pushvalue(L, -1);
-		lua_rawsetp(L, LUA_REGISTRYINDEX, (void*)code);
-	}
-	lua_insert(L, -nargs - 1);
-	lua_call(L, nargs, nret);
-}
-
-
-COMPAT53_API void lua_arith(lua_State* L, int op) {
-	static const char compat53_arith_code[]
-	     = "local op,a,b=...\n"
-	       "if op==0 then return a+b\n"
-	       "elseif op==1 then return a-b\n"
-	       "elseif op==2 then return a*b\n"
-	       "elseif op==3 then return a/b\n"
-	       "elseif op==4 then return a%b\n"
-	       "elseif op==5 then return a^b\n"
-	       "elseif op==6 then return -a\n"
-	       "end\n";
-
-	if (op < LUA_OPADD || op > LUA_OPUNM)
-		luaL_error(L, "invalid 'op' argument for lua_arith");
-	luaL_checkstack(L, 5, "not enough stack slots");
-	if (op == LUA_OPUNM)
-		lua_pushvalue(L, -1);
-	lua_pushnumber(L, op);
-	lua_insert(L, -3);
-	compat53_call_lua(L, compat53_arith_code, sizeof(compat53_arith_code) - 1, 3, 1);
-}
-
-
-COMPAT53_API int lua_compare(lua_State* L, int idx1, int idx2, int op) {
-	static const char compat53_compare_code[]
-	     = "local a,b=...\n"
-	       "return a<=b\n";
-
-	int result = 0;
-	switch (op) {
-	case LUA_OPEQ:
-		return lua_equal(L, idx1, idx2);
-	case LUA_OPLT:
-		return lua_lessthan(L, idx1, idx2);
-	case LUA_OPLE:
-		luaL_checkstack(L, 5, "not enough stack slots");
-		idx1 = lua_absindex(L, idx1);
-		idx2 = lua_absindex(L, idx2);
-		lua_pushvalue(L, idx1);
-		lua_pushvalue(L, idx2);
-		compat53_call_lua(L, compat53_compare_code, sizeof(compat53_compare_code) - 1, 2, 1);
-		result = lua_toboolean(L, -1);
-		lua_pop(L, 1);
-		return result;
-	default:
-		luaL_error(L, "invalid 'op' argument for lua_compare");
-	}
-	return 0;
-}
-
-
-COMPAT53_API void lua_copy(lua_State* L, int from, int to) {
-	int abs_to = lua_absindex(L, to);
-	luaL_checkstack(L, 1, "not enough stack slots");
-	lua_pushvalue(L, from);
-	lua_replace(L, abs_to);
-}
-
-
-COMPAT53_API void lua_len(lua_State* L, int i) {
-	switch (lua_type(L, i)) {
-	case LUA_TSTRING:
-		lua_pushnumber(L, (lua_Number)lua_objlen(L, i));
-		break;
-	case LUA_TTABLE:
-		if (!luaL_callmeta(L, i, "__len"))
-			lua_pushnumber(L, (lua_Number)lua_objlen(L, i));
-		break;
-	case LUA_TUSERDATA:
-		if (luaL_callmeta(L, i, "__len"))
-			break;
-		/* FALLTHROUGH */
-	default:
-		luaL_error(L, "attempt to get length of a %s value", lua_typename(L, lua_type(L, i)));
-	}
-}
-
-
-COMPAT53_API int lua_rawgetp(lua_State* L, int i, const void* p) {
-	int abs_i = lua_absindex(L, i);
-	lua_pushlightuserdata(L, (void*)p);
-	lua_rawget(L, abs_i);
-	return lua_type(L, -1);
-}
-
-COMPAT53_API void lua_rawsetp(lua_State* L, int i, const void* p) {
-	int abs_i = lua_absindex(L, i);
-	luaL_checkstack(L, 1, "not enough stack slots");
-	lua_pushlightuserdata(L, (void*)p);
-	lua_insert(L, -2);
-	lua_rawset(L, abs_i);
-}
-
-
-COMPAT53_API lua_Number lua_tonumberx(lua_State* L, int i, int* isnum) {
-	lua_Number n = lua_tonumber(L, i);
-	if (isnum != NULL) {
-		*isnum = (n != 0 || lua_isnumber(L, i));
-	}
-	return n;
-}
-
-
-COMPAT53_API void luaL_checkversion(lua_State* L) {
-	(void)L;
-}
-
-
-COMPAT53_API void luaL_checkstack(lua_State* L, int sp, const char* msg) {
-	if (!lua_checkstack(L, sp + LUA_MINSTACK)) {
-		if (msg != NULL)
-			luaL_error(L, "stack overflow (%s)", msg);
-		else {
-			lua_pushliteral(L, "stack overflow");
-			lua_error(L);
-		}
-	}
-}
-
-
-COMPAT53_API int luaL_getsubtable(lua_State* L, int i, const char* name) {
-	int abs_i = lua_absindex(L, i);
-	luaL_checkstack(L, 3, "not enough stack slots");
-	lua_pushstring(L, name);
-	lua_gettable(L, abs_i);
-	if (lua_istable(L, -1))
-		return 1;
-	lua_pop(L, 1);
-	lua_newtable(L);
-	lua_pushstring(L, name);
-	lua_pushvalue(L, -2);
-	lua_settable(L, abs_i);
-	return 0;
-}
-
-
-COMPAT53_API lua_Integer luaL_len(lua_State* L, int i) {
-	lua_Integer res = 0;
-	int isnum = 0;
-	luaL_checkstack(L, 1, "not enough stack slots");
-	lua_len(L, i);
-	res = lua_tointegerx(L, -1, &isnum);
-	lua_pop(L, 1);
-	if (!isnum)
-		luaL_error(L, "object length is not an integer");
-	return res;
-}
-
-
-COMPAT53_API void luaL_setfuncs(lua_State* L, const luaL_Reg* l, int nup) {
-	luaL_checkstack(L, nup + 1, "too many upvalues");
-	for (; l->name != NULL; l++) { /* fill the table with given functions */
-		int i;
-		lua_pushstring(L, l->name);
-		for (i = 0; i < nup; i++) /* copy upvalues to the top */
-			lua_pushvalue(L, -(nup + 1));
-		lua_pushcclosure(L, l->func, nup); /* closure with those upvalues */
-		lua_settable(L, -(nup + 3));       /* table must be below the upvalues, the name and the closure */
-	}
-	lua_pop(L, nup); /* remove upvalues */
-}
-
-
-COMPAT53_API void luaL_setmetatable(lua_State* L, const char* tname) {
-	luaL_checkstack(L, 1, "not enough stack slots");
-	luaL_getmetatable(L, tname);
-	lua_setmetatable(L, -2);
-}
-
-
-COMPAT53_API void* luaL_testudata(lua_State* L, int i, const char* tname) {
-	void* p = lua_touserdata(L, i);
-	luaL_checkstack(L, 2, "not enough stack slots");
-	if (p == NULL || !lua_getmetatable(L, i))
-		return NULL;
-	else {
-		int res = 0;
-		luaL_getmetatable(L, tname);
-		res = lua_rawequal(L, -1, -2);
-		lua_pop(L, 2);
-		if (!res)
-			p = NULL;
-	}
-	return p;
-}
-
-
-static int compat53_countlevels(lua_State* L) {
-	lua_Debug ar;
-	int li = 1, le = 1;
-	/* find an upper bound */
-	while (lua_getstack(L, le, &ar)) {
-		li = le;
-		le *= 2;
-	}
-	/* do a binary search */
-	while (li < le) {
-		int m = (li + le) / 2;
-		if (lua_getstack(L, m, &ar))
-			li = m + 1;
-		else
-			le = m;
-	}
-	return le - 1;
-}
-
-static int compat53_findfield(lua_State* L, int objidx, int level) {
-	if (level == 0 || !lua_istable(L, -1))
-		return 0;                               /* not found */
-	lua_pushnil(L);                              /* start 'next' loop */
-	while (lua_next(L, -2)) {                    /* for each pair in table */
-		if (lua_type(L, -2) == LUA_TSTRING) {   /* ignore non-string keys */
-			if (lua_rawequal(L, objidx, -1)) { /* found object? */
-				lua_pop(L, 1);                /* remove value (but keep name) */
-				return 1;
-			}
-			else if (compat53_findfield(L, objidx, level - 1)) { /* try recursively */
-				lua_remove(L, -2);                              /* remove table (but keep name) */
-				lua_pushliteral(L, ".");
-				lua_insert(L, -2); /* place '.' between the two names */
-				lua_concat(L, 3);
-				return 1;
-			}
-		}
-		lua_pop(L, 1); /* remove value */
-	}
-	return 0; /* not found */
-}
-
-static int compat53_pushglobalfuncname(lua_State* L, lua_Debug* ar) {
-	int top = lua_gettop(L);
-	lua_getinfo(L, "f", ar); /* push function */
-	lua_pushvalue(L, LUA_GLOBALSINDEX);
-	if (compat53_findfield(L, top + 1, 2)) {
-		lua_copy(L, -1, top + 1); /* move name to proper place */
-		lua_pop(L, 2);            /* remove pushed values */
-		return 1;
-	}
-	else {
-		lua_settop(L, top); /* remove function and global table */
-		return 0;
-	}
-}
-
-static void compat53_pushfuncname(lua_State* L, lua_Debug* ar) {
-	if (*ar->namewhat != '\0') /* is there a name? */
-		lua_pushfstring(L, "function " LUA_QS, ar->name);
-	else if (*ar->what == 'm') /* main? */
-		lua_pushliteral(L, "main chunk");
-	else if (*ar->what == 'C') {
-		if (compat53_pushglobalfuncname(L, ar)) {
-			lua_pushfstring(L, "function " LUA_QS, lua_tostring(L, -1));
-			lua_remove(L, -2); /* remove name */
-		}
-		else
-			lua_pushliteral(L, "?");
-	}
-	else
-		lua_pushfstring(L, "function <%s:%d>", ar->short_src, ar->linedefined);
-}
-
-#define COMPAT53_LEVELS1 12 /* size of the first part of the stack */
-#define COMPAT53_LEVELS2 10 /* size of the second part of the stack */
-
-COMPAT53_API void luaL_traceback(lua_State* L, lua_State* L1, const char* msg, int level) {
-	lua_Debug ar;
-	int top = lua_gettop(L);
-	int numlevels = compat53_countlevels(L1);
-	int mark = (numlevels > COMPAT53_LEVELS1 + COMPAT53_LEVELS2) ? COMPAT53_LEVELS1 : 0;
-	if (msg)
-		lua_pushfstring(L, "%s\n", msg);
-	lua_pushliteral(L, "stack traceback:");
-	while (lua_getstack(L1, level++, &ar)) {
-		if (level == mark) {                       /* too many levels? */
-			lua_pushliteral(L, "\n\t...");        /* add a '...' */
-			level = numlevels - COMPAT53_LEVELS2; /* and skip to last ones */
-		}
-		else {
-			lua_getinfo(L1, "Slnt", &ar);
-			lua_pushfstring(L, "\n\t%s:", ar.short_src);
-			if (ar.currentline > 0)
-				lua_pushfstring(L, "%d:", ar.currentline);
-			lua_pushliteral(L, " in ");
-			compat53_pushfuncname(L, &ar);
-			lua_concat(L, lua_gettop(L) - top);
-		}
-	}
-	lua_concat(L, lua_gettop(L) - top);
-}
-
-
-COMPAT53_API int luaL_fileresult(lua_State* L, int stat, const char* fname) {
-	const char* serr = NULL;
-	int en = errno; /* calls to Lua API may change this value */
-	char buf[512] = { 0 };
-	if (stat) {
-		lua_pushboolean(L, 1);
-		return 1;
-	}
-	else {
-		lua_pushnil(L);
-		serr = compat53_strerror(en, buf, sizeof(buf));
-		if (fname)
-			lua_pushfstring(L, "%s: %s", fname, serr);
-		else
-			lua_pushstring(L, serr);
-		lua_pushnumber(L, (lua_Number)en);
-		return 3;
-	}
-}
-
-
-static int compat53_checkmode(lua_State* L, const char* mode, const char* modename, int err) {
-	if (mode && strchr(mode, modename[0]) == NULL) {
-		lua_pushfstring(L, "attempt to load a %s chunk (mode is '%s')", modename, mode);
-		return err;
-	}
-	return LUA_OK;
-}
-
-
-typedef struct {
-	lua_Reader reader;
-	void* ud;
-	int has_peeked_data;
-	const char* peeked_data;
-	size_t peeked_data_size;
-} compat53_reader_data;
-
-
-static const char* compat53_reader(lua_State* L, void* ud, size_t* size) {
-	compat53_reader_data* data = (compat53_reader_data*)ud;
-	if (data->has_peeked_data) {
-		data->has_peeked_data = 0;
-		*size = data->peeked_data_size;
-		return data->peeked_data;
-	}
-	else
-		return data->reader(L, data->ud, size);
-}
-
-
-COMPAT53_API int lua_load(lua_State* L, lua_Reader reader, void* data, const char* source, const char* mode) {
-	int status = LUA_OK;
-	compat53_reader_data compat53_data = { reader, data, 1, 0, 0 };
-	compat53_data.peeked_data = reader(L, data, &(compat53_data.peeked_data_size));
-	if (compat53_data.peeked_data && compat53_data.peeked_data_size && compat53_data.peeked_data[0] == LUA_SIGNATURE[0]) /* binary file? */
-		status = compat53_checkmode(L, mode, "binary", LUA_ERRSYNTAX);
-	else
-		status = compat53_checkmode(L, mode, "text", LUA_ERRSYNTAX);
-	if (status != LUA_OK)
-		return status;
-		/* we need to call the original 5.1 version of lua_load! */
-#undef lua_load
-	return lua_load(L, compat53_reader, &compat53_data, source);
-#define lua_load COMPAT53_CONCAT(COMPAT53_PREFIX, _load_53)
-}
-
-
-typedef struct {
-	int n;                                    /* number of pre-read characters */
-	FILE* f;                                  /* file being read */
-	char buff[COMPAT53_LUA_FILE_BUFFER_SIZE]; /* area for reading file */
-} compat53_LoadF;
-
-
-static const char* compat53_getF(lua_State* L, void* ud, size_t* size) {
-	compat53_LoadF* lf = (compat53_LoadF*)ud;
-	(void)L;            /* not used */
-	if (lf->n > 0) {    /* are there pre-read characters to be read? */
-		*size = lf->n; /* return them (chars already in buffer) */
-		lf->n = 0;     /* no more pre-read characters */
-	}
-	else { /* read a block from file */
-		  /* 'fread' can return > 0 *and* set the EOF flag. If next call to
-		  'compat53_getF' called 'fread', it might still wait for user input.
-		  The next check avoids this problem. */
-		if (feof(lf->f))
-			return NULL;
-		*size = fread(lf->buff, 1, sizeof(lf->buff), lf->f); /* read block */
-	}
-	return lf->buff;
-}
-
-
-static int compat53_errfile(lua_State* L, const char* what, int fnameindex) {
-	char buf[512] = { 0 };
-	const char* serr = compat53_strerror(errno, buf, sizeof(buf));
-	const char* filename = lua_tostring(L, fnameindex) + 1;
-	lua_pushfstring(L, "cannot %s %s: %s", what, filename, serr);
-	lua_remove(L, fnameindex);
-	return LUA_ERRFILE;
-}
-
-
-static int compat53_skipBOM(compat53_LoadF* lf) {
-	const char* p = "\xEF\xBB\xBF"; /* UTF-8 BOM mark */
-	int c;
-	lf->n = 0;
-	do {
-		c = getc(lf->f);
-		if (c == EOF || c != *(const unsigned char*)p++)
-			return c;
-		lf->buff[lf->n++] = (char)c; /* to be read by the parser */
-	} while (*p != '\0');
-	lf->n = 0;          /* prefix matched; discard it */
-	return getc(lf->f); /* return next character */
-}
-
-
-/*
-** reads the first character of file 'f' and skips an optional BOM mark
-** in its beginning plus its first line if it starts with '#'. Returns
-** true if it skipped the first line.  In any case, '*cp' has the
-** first "valid" character of the file (after the optional BOM and
-** a first-line comment).
-*/
-static int compat53_skipcomment(compat53_LoadF* lf, int* cp) {
-	int c = *cp = compat53_skipBOM(lf);
-	if (c == '#') { /* first line is a comment (Unix exec. file)? */
-		do {       /* skip first line */
-			c = getc(lf->f);
-		} while (c != EOF && c != '\n');
-		*cp = getc(lf->f); /* skip end-of-line, if present */
-		return 1;          /* there was a comment */
-	}
-	else
-		return 0; /* no comment */
-}
-
-
-COMPAT53_API int luaL_loadfilex(lua_State* L, const char* filename, const char* mode) {
-	compat53_LoadF lf;
-	int status, readstatus;
-	int c;
-	int fnameindex = lua_gettop(L) + 1; /* index of filename on the stack */
-	if (filename == NULL) {
-		lua_pushliteral(L, "=stdin");
-		lf.f = stdin;
-	}
-	else {
-		lua_pushfstring(L, "@%s", filename);
-#if defined(_MSC_VER)
-		/* This code is here to stop a deprecation error that stops builds
-		 * if a certain macro is defined. While normally not caring would
-		 * be best, some header-only libraries and builds can't afford to
-		 * dictate this to the user. A quick check shows that fopen_s this
-		 * goes back to VS 2005, and _fsopen goes back to VS 2003 .NET,
-		 * possibly even before that so we don't need to do any version
-		 * number checks, since this has been there since forever.  */
-
-		/* TO USER: if you want the behavior of typical fopen_s/fopen,
-		 * which does lock the file on VC++, define the macro used below to 0 */
-#if COMPAT53_FOPEN_NO_LOCK
-		lf.f = _fsopen(filename, "r", _SH_DENYNO); /* do not lock the file in any way */
-		if (lf.f == NULL)
-			return compat53_errfile(L, "open", fnameindex);
-#else  /* use default locking version */
-		if (fopen_s(&lf.f, filename, "r") != 0)
-			return compat53_errfile(L, "open", fnameindex);
-#endif /* Locking vs. No-locking fopen variants */
-#else
-		lf.f = fopen(filename, "r"); /* default stdlib doesn't forcefully lock files here */
-		if (lf.f == NULL)
-			return compat53_errfile(L, "open", fnameindex);
-#endif
-	}
-	if (compat53_skipcomment(&lf, &c))       /* read initial portion */
-		lf.buff[lf.n++] = '\n';             /* add line to correct line numbers */
-	if (c == LUA_SIGNATURE[0] && filename) { /* binary file? */
-#if defined(_MSC_VER)
-		if (freopen_s(&lf.f, filename, "rb", lf.f) != 0)
-			return compat53_errfile(L, "reopen", fnameindex);
-#else
-		lf.f = freopen(filename, "rb", lf.f); /* reopen in binary mode */
-		if (lf.f == NULL)
-			return compat53_errfile(L, "reopen", fnameindex);
-#endif
-		compat53_skipcomment(&lf, &c); /* re-read initial portion */
-	}
-	if (c != EOF)
-		lf.buff[lf.n++] = (char)c; /* 'c' is the first character of the stream */
-	status = lua_load(L, &compat53_getF, &lf, lua_tostring(L, -1), mode);
-	readstatus = ferror(lf.f);
-	if (filename)
-		fclose(lf.f); /* close file (even in case of errors) */
-	if (readstatus) {
-		lua_settop(L, fnameindex); /* ignore results from 'lua_load' */
-		return compat53_errfile(L, "read", fnameindex);
-	}
-	lua_remove(L, fnameindex);
-	return status;
-}
-
-
-COMPAT53_API int luaL_loadbufferx(lua_State* L, const char* buff, size_t sz, const char* name, const char* mode) {
-	int status = LUA_OK;
-	if (sz > 0 && buff[0] == LUA_SIGNATURE[0]) {
-		status = compat53_checkmode(L, mode, "binary", LUA_ERRSYNTAX);
-	}
-	else {
-		status = compat53_checkmode(L, mode, "text", LUA_ERRSYNTAX);
-	}
-	if (status != LUA_OK)
-		return status;
-	return luaL_loadbuffer(L, buff, sz, name);
-}
-
-
-#if !defined(l_inspectstat) \
-     && (defined(unix) || defined(__unix) || defined(__unix__) || defined(__TOS_AIX__) || defined(_SYSTYPE_BSD) || (defined(__APPLE__) && defined(__MACH__)))
-/* some form of unix; check feature macros in unistd.h for details */
-#include <unistd.h>
-/* check posix version; the relevant include files and macros probably
- * were available before 2001, but I'm not sure */
-#if defined(_POSIX_VERSION) && _POSIX_VERSION >= 200112L
-#include <sys/wait.h>
-#define l_inspectstat(stat, what)   \
-	if (WIFEXITED(stat)) {         \
-		stat = WEXITSTATUS(stat); \
-	}                              \
-	else if (WIFSIGNALED(stat)) {  \
-		stat = WTERMSIG(stat);    \
-		what = "signal";          \
-	}
-#endif
-#endif
-
-/* provide default (no-op) version */
-#if !defined(l_inspectstat)
-#define l_inspectstat(stat, what) ((void)0)
-#endif
-
-
-COMPAT53_API int luaL_execresult(lua_State* L, int stat) {
-	const char* what = "exit";
-	if (stat == -1)
-		return luaL_fileresult(L, 0, NULL);
-	else {
-		l_inspectstat(stat, what);
-		if (*what == 'e' && stat == 0)
-			lua_pushboolean(L, 1);
-		else
-			lua_pushnil(L);
-		lua_pushstring(L, what);
-		lua_pushinteger(L, stat);
-		return 3;
-	}
-}
-
-
-COMPAT53_API void luaL_buffinit(lua_State* L, luaL_Buffer_53* B) {
-	/* make it crash if used via pointer to a 5.1-style luaL_Buffer */
-	B->b.p = NULL;
-	B->b.L = NULL;
-	B->b.lvl = 0;
-	/* reuse the buffer from the 5.1-style luaL_Buffer though! */
-	B->ptr = B->b.buffer;
-	B->capacity = LUAL_BUFFERSIZE;
-	B->nelems = 0;
-	B->L2 = L;
-}
-
-
-COMPAT53_API char* luaL_prepbuffsize(luaL_Buffer_53* B, size_t s) {
-	if (B->capacity - B->nelems < s) { /* needs to grow */
-		char* newptr = NULL;
-		size_t newcap = B->capacity * 2;
-		if (newcap - B->nelems < s)
-			newcap = B->nelems + s;
-		if (newcap < B->capacity) /* overflow */
-			luaL_error(B->L2, "buffer too large");
-#if defined(LUA_VERSION_NUM) && LUA_VERSION_NUM >= 504
-		newptr = (char*)lua_newuserdatauv(B->L2, newcap, 0);
-#else
-		newptr = (char*)lua_newuserdata(B->L2, newcap);
-#endif
-		memcpy(newptr, B->ptr, B->nelems);
-		if (B->ptr != B->b.buffer)
-			lua_replace(B->L2, -2); /* remove old buffer */
-		B->ptr = newptr;
-		B->capacity = newcap;
-	}
-	return B->ptr + B->nelems;
-}
-
-
-COMPAT53_API void luaL_addlstring(luaL_Buffer_53* B, const char* s, size_t l) {
-	memcpy(luaL_prepbuffsize(B, l), s, l);
-	luaL_addsize(B, l);
-}
-
-
-COMPAT53_API void luaL_addvalue(luaL_Buffer_53* B) {
-	size_t len = 0;
-	const char* s = lua_tolstring(B->L2, -1, &len);
-	if (!s)
-		luaL_error(B->L2, "cannot convert value to string");
-	if (B->ptr != B->b.buffer)
-		lua_insert(B->L2, -2); /* userdata buffer must be at stack top */
-	luaL_addlstring(B, s, len);
-	lua_remove(B->L2, B->ptr != B->b.buffer ? -2 : -1);
-}
-
-
-void luaL_pushresult(luaL_Buffer_53* B) {
-	lua_pushlstring(B->L2, B->ptr, B->nelems);
-	if (B->ptr != B->b.buffer)
-		lua_replace(B->L2, -2); /* remove userdata buffer */
-}
-
-
-#endif /* Lua 5.1 */
-
-
-
-/* definitions for Lua 5.1 and Lua 5.2 */
-#if defined(LUA_VERSION_NUM) && LUA_VERSION_NUM <= 502
-
-
-COMPAT53_API int lua_geti(lua_State* L, int index, lua_Integer i) {
-	index = lua_absindex(L, index);
-	lua_pushinteger(L, i);
-	lua_gettable(L, index);
-	return lua_type(L, -1);
-}
-
-
-COMPAT53_API int lua_isinteger(lua_State* L, int index) {
-	if (lua_type(L, index) == LUA_TNUMBER) {
-		lua_Number n = lua_tonumber(L, index);
-		lua_Integer i = lua_tointeger(L, index);
-		if (i == n)
-			return 1;
-	}
-	return 0;
-}
-
-
-COMPAT53_API lua_Integer lua_tointegerx(lua_State* L, int i, int* isnum) {
-	int ok = 0;
-	lua_Number n = lua_tonumberx(L, i, &ok);
-	if (ok) {
-		if (n == (lua_Integer)n) {
-			if (isnum)
-				*isnum = 1;
-			return (lua_Integer)n;
-		}
-	}
-	if (isnum)
-		*isnum = 0;
-	return 0;
-}
-
-
-static void compat53_reverse(lua_State* L, int a, int b) {
-	for (; a < b; ++a, --b) {
-		lua_pushvalue(L, a);
-		lua_pushvalue(L, b);
-		lua_replace(L, a);
-		lua_replace(L, b);
-	}
-}
-
-
-COMPAT53_API void lua_rotate(lua_State* L, int idx, int n) {
-	int n_elems = 0;
-	idx = lua_absindex(L, idx);
-	n_elems = lua_gettop(L) - idx + 1;
-	if (n < 0)
-		n += n_elems;
-	if (n > 0 && n < n_elems) {
-		luaL_checkstack(L, 2, "not enough stack slots available");
-		n = n_elems - n;
-		compat53_reverse(L, idx, idx + n - 1);
-		compat53_reverse(L, idx + n, idx + n_elems - 1);
-		compat53_reverse(L, idx, idx + n_elems - 1);
-	}
-}
-
-
-COMPAT53_API void lua_seti(lua_State* L, int index, lua_Integer i) {
-	luaL_checkstack(L, 1, "not enough stack slots available");
-	index = lua_absindex(L, index);
-	lua_pushinteger(L, i);
-	lua_insert(L, -2);
-	lua_settable(L, index);
-}
-
-
-#if !defined(lua_str2number)
-#define lua_str2number(s, p) strtod((s), (p))
-#endif
-
-COMPAT53_API size_t lua_stringtonumber(lua_State* L, const char* s) {
-	char* endptr;
-	lua_Number n = lua_str2number(s, &endptr);
-	if (endptr != s) {
-		while (*endptr != '\0' && isspace((unsigned char)*endptr))
-			++endptr;
-		if (*endptr == '\0') {
-			lua_pushnumber(L, n);
-			return endptr - s + 1;
-		}
-	}
-	return 0;
-}
-
-
-COMPAT53_API const char* luaL_tolstring(lua_State* L, int idx, size_t* len) {
-	if (!luaL_callmeta(L, idx, "__tostring")) {
-		int t = lua_type(L, idx), tt = 0;
-		char const* name = NULL;
-		switch (t) {
-		case LUA_TNIL:
-			lua_pushliteral(L, "nil");
-			break;
-		case LUA_TSTRING:
-		case LUA_TNUMBER:
-			lua_pushvalue(L, idx);
-			break;
-		case LUA_TBOOLEAN:
-			if (lua_toboolean(L, idx))
-				lua_pushliteral(L, "true");
-			else
-				lua_pushliteral(L, "false");
-			break;
-		default:
-			tt = luaL_getmetafield(L, idx, "__name");
-			name = (tt == LUA_TSTRING) ? lua_tostring(L, -1) : lua_typename(L, t);
-			lua_pushfstring(L, "%s: %p", name, lua_topointer(L, idx));
-			if (tt != LUA_TNIL)
-				lua_replace(L, -2);
-			break;
-		}
-	}
-	else {
-		if (!lua_isstring(L, -1))
-			luaL_error(L, "'__tostring' must return a string");
-	}
-	return lua_tolstring(L, -1, len);
-}
-
-
-COMPAT53_API void luaL_requiref(lua_State* L, const char* modname, lua_CFunction openf, int glb) {
-	luaL_checkstack(L, 3, "not enough stack slots available");
-	luaL_getsubtable(L, LUA_REGISTRYINDEX, "_LOADED");
-	if (lua_getfield(L, -1, modname) == LUA_TNIL) {
-		lua_pop(L, 1);
-		lua_pushcfunction(L, openf);
-		lua_pushstring(L, modname);
-		lua_call(L, 1, 1);
-		lua_pushvalue(L, -1);
-		lua_setfield(L, -3, modname);
-	}
-	if (glb) {
-		lua_pushvalue(L, -1);
-		lua_setglobal(L, modname);
-	}
-	lua_replace(L, -2);
-}
-
-
-#endif /* Lua 5.1 and 5.2 */
-
-
-#endif /* KEPLER_PROJECT_COMPAT53_C_ */
-
-
-/*********************************************************************
- * This file contains parts of Lua 5.2's and Lua 5.3's source code:
- *
- * Copyright (C) 1994-2014 Lua.org, PUC-Rio.
- *
- * Permission is hereby granted, free of charge, to any person obtaining
- * a copy of this software and associated documentation files (the
- * "Software"), to deal in the Software without restriction, including
- * without limitation the rights to use, copy, modify, merge, publish,
- * distribute, sublicense, and/or sell copies of the Software, and to
- * permit persons to whom the Software is furnished to do so, subject to
- * the following conditions:
- *
- * The above copyright notice and this permission notice shall be
- * included in all copies or substantial portions of the Software.
- *
- * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
- * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
- * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
- * IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY
- * CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
- * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
- * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
- *********************************************************************/
+#include <sol/compatibility/compat-5.3.h>
+
+#include <stddef.h>
+#include <stdlib.h>
+#include <string.h>
+#include <ctype.h>
+#include <errno.h>
+#include <stdio.h>
+
+/* don't compile it again if it already is included via compat53.h */
+#ifndef KEPLER_PROJECT_COMPAT53_C_
+#define KEPLER_PROJECT_COMPAT53_C_
+
+
+
+/* definitions for Lua 5.1 only */
+#if defined(LUA_VERSION_NUM) && LUA_VERSION_NUM == 501
+
+#ifndef COMPAT53_FOPEN_NO_LOCK
+#if defined(_MSC_VER)
+#define COMPAT53_FOPEN_NO_LOCK 1
+#else /* otherwise */
+#define COMPAT53_FOPEN_NO_LOCK 0
+#endif /* VC++ only so far */
+#endif /* No-lock fopen_s usage if possible */
+
+#if defined(_MSC_VER) && COMPAT53_FOPEN_NO_LOCK
+#include <share.h>
+#endif /* VC++ _fsopen for share-allowed file read */
+
+#ifndef COMPAT53_HAVE_STRERROR_R
+#if defined(__GLIBC__) || defined(_POSIX_VERSION) || defined(__APPLE__) || (!defined(__MINGW32__) && defined(__GNUC__) && (__GNUC__ < 6))
+#define COMPAT53_HAVE_STRERROR_R 1
+#else /* none of the defines matched: define to 0 */
+#define COMPAT53_HAVE_STRERROR_R 0
+#endif /* have strerror_r of some form */
+#endif /* strerror_r */
+
+#ifndef COMPAT53_HAVE_STRERROR_S
+#if defined(_MSC_VER) || (defined(__STDC_VERSION__) && __STDC_VERSION__ >= 201112L) || (defined(__STDC_LIB_EXT1__) && __STDC_LIB_EXT1__)
+#define COMPAT53_HAVE_STRERROR_S 1
+#else /* not VC++ or C11 */
+#define COMPAT53_HAVE_STRERROR_S 0
+#endif /* strerror_s from VC++ or C11 */
+#endif /* strerror_s */
+
+#ifndef COMPAT53_LUA_FILE_BUFFER_SIZE
+#define COMPAT53_LUA_FILE_BUFFER_SIZE 4096
+#endif /* Lua File Buffer Size */
+
+
+static char* compat53_strerror(int en, char* buff, size_t sz) {
+#if COMPAT53_HAVE_STRERROR_R
+	/* use strerror_r here, because it's available on these specific platforms */
+	if (sz > 0) {
+		buff[0] = '\0';
+		/* we don't care whether the GNU version or the XSI version is used: */
+		if (strerror_r(en, buff, sz)) {
+			/* Yes, we really DO want to ignore the return value!
+			 * GCC makes that extra hard, not even a (void) cast will do. */
+		}
+		if (buff[0] == '\0') {
+			/* Buffer is unchanged, so we probably have called GNU strerror_r which
+			 * returned a static constant string. Chances are that strerror will
+			 * return the same static constant string and therefore be thread-safe. */
+			return strerror(en);
+		}
+	}
+	return buff; /* sz is 0 *or* strerror_r wrote into the buffer */
+#elif COMPAT53_HAVE_STRERROR_S
+	/* for MSVC and other C11 implementations, use strerror_s since it's
+	 * provided by default by the libraries */
+	strerror_s(buff, sz, en);
+	return buff;
+#else
+	/* fallback, but strerror is not guaranteed to be threadsafe due to modifying
+	 * errno itself and some impls not locking a static buffer for it ... but most
+	 * known systems have threadsafe errno: this might only change if the locale
+	 * is changed out from under someone while this function is being called */
+	(void)buff;
+	(void)sz;
+	return strerror(en);
+#endif
+}
+
+
+COMPAT53_API int lua_absindex(lua_State* L, int i) {
+	if (i < 0 && i > LUA_REGISTRYINDEX)
+		i += lua_gettop(L) + 1;
+	return i;
+}
+
+
+static void compat53_call_lua(lua_State* L, char const code[], size_t len, int nargs, int nret) {
+	lua_rawgetp(L, LUA_REGISTRYINDEX, (void*)code);
+	if (lua_type(L, -1) != LUA_TFUNCTION) {
+		lua_pop(L, 1);
+		if (luaL_loadbuffer(L, code, len, "=none"))
+			lua_error(L);
+		lua_pushvalue(L, -1);
+		lua_rawsetp(L, LUA_REGISTRYINDEX, (void*)code);
+	}
+	lua_insert(L, -nargs - 1);
+	lua_call(L, nargs, nret);
+}
+
+
+COMPAT53_API void lua_arith(lua_State* L, int op) {
+	static const char compat53_arith_code[]
+	     = "local op,a,b=...\n"
+	       "if op==0 then return a+b\n"
+	       "elseif op==1 then return a-b\n"
+	       "elseif op==2 then return a*b\n"
+	       "elseif op==3 then return a/b\n"
+	       "elseif op==4 then return a%b\n"
+	       "elseif op==5 then return a^b\n"
+	       "elseif op==6 then return -a\n"
+	       "end\n";
+
+	if (op < LUA_OPADD || op > LUA_OPUNM)
+		luaL_error(L, "invalid 'op' argument for lua_arith");
+	luaL_checkstack(L, 5, "not enough stack slots");
+	if (op == LUA_OPUNM)
+		lua_pushvalue(L, -1);
+	lua_pushnumber(L, op);
+	lua_insert(L, -3);
+	compat53_call_lua(L, compat53_arith_code, sizeof(compat53_arith_code) - 1, 3, 1);
+}
+
+
+COMPAT53_API int lua_compare(lua_State* L, int idx1, int idx2, int op) {
+	static const char compat53_compare_code[]
+	     = "local a,b=...\n"
+	       "return a<=b\n";
+
+	int result = 0;
+	switch (op) {
+	case LUA_OPEQ:
+		return lua_equal(L, idx1, idx2);
+	case LUA_OPLT:
+		return lua_lessthan(L, idx1, idx2);
+	case LUA_OPLE:
+		luaL_checkstack(L, 5, "not enough stack slots");
+		idx1 = lua_absindex(L, idx1);
+		idx2 = lua_absindex(L, idx2);
+		lua_pushvalue(L, idx1);
+		lua_pushvalue(L, idx2);
+		compat53_call_lua(L, compat53_compare_code, sizeof(compat53_compare_code) - 1, 2, 1);
+		result = lua_toboolean(L, -1);
+		lua_pop(L, 1);
+		return result;
+	default:
+		luaL_error(L, "invalid 'op' argument for lua_compare");
+	}
+	return 0;
+}
+
+
+COMPAT53_API void lua_copy(lua_State* L, int from, int to) {
+	int abs_to = lua_absindex(L, to);
+	luaL_checkstack(L, 1, "not enough stack slots");
+	lua_pushvalue(L, from);
+	lua_replace(L, abs_to);
+}
+
+
+COMPAT53_API void lua_len(lua_State* L, int i) {
+	switch (lua_type(L, i)) {
+	case LUA_TSTRING:
+		lua_pushnumber(L, (lua_Number)lua_objlen(L, i));
+		break;
+	case LUA_TTABLE:
+		if (!luaL_callmeta(L, i, "__len"))
+			lua_pushnumber(L, (lua_Number)lua_objlen(L, i));
+		break;
+	case LUA_TUSERDATA:
+		if (luaL_callmeta(L, i, "__len"))
+			break;
+		/* FALLTHROUGH */
+	default:
+		luaL_error(L, "attempt to get length of a %s value", lua_typename(L, lua_type(L, i)));
+	}
+}
+
+
+COMPAT53_API int lua_rawgetp(lua_State* L, int i, const void* p) {
+	int abs_i = lua_absindex(L, i);
+	lua_pushlightuserdata(L, (void*)p);
+	lua_rawget(L, abs_i);
+	return lua_type(L, -1);
+}
+
+COMPAT53_API void lua_rawsetp(lua_State* L, int i, const void* p) {
+	int abs_i = lua_absindex(L, i);
+	luaL_checkstack(L, 1, "not enough stack slots");
+	lua_pushlightuserdata(L, (void*)p);
+	lua_insert(L, -2);
+	lua_rawset(L, abs_i);
+}
+
+
+COMPAT53_API lua_Number lua_tonumberx(lua_State* L, int i, int* isnum) {
+	lua_Number n = lua_tonumber(L, i);
+	if (isnum != NULL) {
+		*isnum = (n != 0 || lua_isnumber(L, i));
+	}
+	return n;
+}
+
+
+COMPAT53_API void luaL_checkversion(lua_State* L) {
+	(void)L;
+}
+
+
+COMPAT53_API void luaL_checkstack(lua_State* L, int sp, const char* msg) {
+	if (!lua_checkstack(L, sp + LUA_MINSTACK)) {
+		if (msg != NULL)
+			luaL_error(L, "stack overflow (%s)", msg);
+		else {
+			lua_pushliteral(L, "stack overflow");
+			lua_error(L);
+		}
+	}
+}
+
+
+COMPAT53_API int luaL_getsubtable(lua_State* L, int i, const char* name) {
+	int abs_i = lua_absindex(L, i);
+	luaL_checkstack(L, 3, "not enough stack slots");
+	lua_pushstring(L, name);
+	lua_gettable(L, abs_i);
+	if (lua_istable(L, -1))
+		return 1;
+	lua_pop(L, 1);
+	lua_newtable(L);
+	lua_pushstring(L, name);
+	lua_pushvalue(L, -2);
+	lua_settable(L, abs_i);
+	return 0;
+}
+
+
+COMPAT53_API lua_Integer luaL_len(lua_State* L, int i) {
+	lua_Integer res = 0;
+	int isnum = 0;
+	luaL_checkstack(L, 1, "not enough stack slots");
+	lua_len(L, i);
+	res = lua_tointegerx(L, -1, &isnum);
+	lua_pop(L, 1);
+	if (!isnum)
+		luaL_error(L, "object length is not an integer");
+	return res;
+}
+
+
+COMPAT53_API void luaL_setfuncs(lua_State* L, const luaL_Reg* l, int nup) {
+	luaL_checkstack(L, nup + 1, "too many upvalues");
+	for (; l->name != NULL; l++) { /* fill the table with given functions */
+		int i;
+		lua_pushstring(L, l->name);
+		for (i = 0; i < nup; i++) /* copy upvalues to the top */
+			lua_pushvalue(L, -(nup + 1));
+		lua_pushcclosure(L, l->func, nup); /* closure with those upvalues */
+		lua_settable(L, -(nup + 3));       /* table must be below the upvalues, the name and the closure */
+	}
+	lua_pop(L, nup); /* remove upvalues */
+}
+
+
+COMPAT53_API void luaL_setmetatable(lua_State* L, const char* tname) {
+	luaL_checkstack(L, 1, "not enough stack slots");
+	luaL_getmetatable(L, tname);
+	lua_setmetatable(L, -2);
+}
+
+
+COMPAT53_API void* luaL_testudata(lua_State* L, int i, const char* tname) {
+	void* p = lua_touserdata(L, i);
+	luaL_checkstack(L, 2, "not enough stack slots");
+	if (p == NULL || !lua_getmetatable(L, i))
+		return NULL;
+	else {
+		int res = 0;
+		luaL_getmetatable(L, tname);
+		res = lua_rawequal(L, -1, -2);
+		lua_pop(L, 2);
+		if (!res)
+			p = NULL;
+	}
+	return p;
+}
+
+
+static int compat53_countlevels(lua_State* L) {
+	lua_Debug ar;
+	int li = 1, le = 1;
+	/* find an upper bound */
+	while (lua_getstack(L, le, &ar)) {
+		li = le;
+		le *= 2;
+	}
+	/* do a binary search */
+	while (li < le) {
+		int m = (li + le) / 2;
+		if (lua_getstack(L, m, &ar))
+			li = m + 1;
+		else
+			le = m;
+	}
+	return le - 1;
+}
+
+static int compat53_findfield(lua_State* L, int objidx, int level) {
+	if (level == 0 || !lua_istable(L, -1))
+		return 0;                               /* not found */
+	lua_pushnil(L);                              /* start 'next' loop */
+	while (lua_next(L, -2)) {                    /* for each pair in table */
+		if (lua_type(L, -2) == LUA_TSTRING) {   /* ignore non-string keys */
+			if (lua_rawequal(L, objidx, -1)) { /* found object? */
+				lua_pop(L, 1);                /* remove value (but keep name) */
+				return 1;
+			}
+			else if (compat53_findfield(L, objidx, level - 1)) { /* try recursively */
+				lua_remove(L, -2);                              /* remove table (but keep name) */
+				lua_pushliteral(L, ".");
+				lua_insert(L, -2); /* place '.' between the two names */
+				lua_concat(L, 3);
+				return 1;
+			}
+		}
+		lua_pop(L, 1); /* remove value */
+	}
+	return 0; /* not found */
+}
+
+static int compat53_pushglobalfuncname(lua_State* L, lua_Debug* ar) {
+	int top = lua_gettop(L);
+	lua_getinfo(L, "f", ar); /* push function */
+	lua_pushvalue(L, LUA_GLOBALSINDEX);
+	if (compat53_findfield(L, top + 1, 2)) {
+		lua_copy(L, -1, top + 1); /* move name to proper place */
+		lua_pop(L, 2);            /* remove pushed values */
+		return 1;
+	}
+	else {
+		lua_settop(L, top); /* remove function and global table */
+		return 0;
+	}
+}
+
+static void compat53_pushfuncname(lua_State* L, lua_Debug* ar) {
+	if (*ar->namewhat != '\0') /* is there a name? */
+		lua_pushfstring(L, "function " LUA_QS, ar->name);
+	else if (*ar->what == 'm') /* main? */
+		lua_pushliteral(L, "main chunk");
+	else if (*ar->what == 'C') {
+		if (compat53_pushglobalfuncname(L, ar)) {
+			lua_pushfstring(L, "function " LUA_QS, lua_tostring(L, -1));
+			lua_remove(L, -2); /* remove name */
+		}
+		else
+			lua_pushliteral(L, "?");
+	}
+	else
+		lua_pushfstring(L, "function <%s:%d>", ar->short_src, ar->linedefined);
+}
+
+#define COMPAT53_LEVELS1 12 /* size of the first part of the stack */
+#define COMPAT53_LEVELS2 10 /* size of the second part of the stack */
+
+COMPAT53_API void luaL_traceback(lua_State* L, lua_State* L1, const char* msg, int level) {
+	lua_Debug ar;
+	int top = lua_gettop(L);
+	int numlevels = compat53_countlevels(L1);
+	int mark = (numlevels > COMPAT53_LEVELS1 + COMPAT53_LEVELS2) ? COMPAT53_LEVELS1 : 0;
+	if (msg)
+		lua_pushfstring(L, "%s\n", msg);
+	lua_pushliteral(L, "stack traceback:");
+	while (lua_getstack(L1, level++, &ar)) {
+		if (level == mark) {                       /* too many levels? */
+			lua_pushliteral(L, "\n\t...");        /* add a '...' */
+			level = numlevels - COMPAT53_LEVELS2; /* and skip to last ones */
+		}
+		else {
+			lua_getinfo(L1, "Slnt", &ar);
+			lua_pushfstring(L, "\n\t%s:", ar.short_src);
+			if (ar.currentline > 0)
+				lua_pushfstring(L, "%d:", ar.currentline);
+			lua_pushliteral(L, " in ");
+			compat53_pushfuncname(L, &ar);
+			lua_concat(L, lua_gettop(L) - top);
+		}
+	}
+	lua_concat(L, lua_gettop(L) - top);
+}
+
+
+COMPAT53_API int luaL_fileresult(lua_State* L, int stat, const char* fname) {
+	const char* serr = NULL;
+	int en = errno; /* calls to Lua API may change this value */
+	char buf[512] = { 0 };
+	if (stat) {
+		lua_pushboolean(L, 1);
+		return 1;
+	}
+	else {
+		lua_pushnil(L);
+		serr = compat53_strerror(en, buf, sizeof(buf));
+		if (fname)
+			lua_pushfstring(L, "%s: %s", fname, serr);
+		else
+			lua_pushstring(L, serr);
+		lua_pushnumber(L, (lua_Number)en);
+		return 3;
+	}
+}
+
+
+static int compat53_checkmode(lua_State* L, const char* mode, const char* modename, int err) {
+	if (mode && strchr(mode, modename[0]) == NULL) {
+		lua_pushfstring(L, "attempt to load a %s chunk (mode is '%s')", modename, mode);
+		return err;
+	}
+	return LUA_OK;
+}
+
+
+typedef struct {
+	lua_Reader reader;
+	void* ud;
+	int has_peeked_data;
+	const char* peeked_data;
+	size_t peeked_data_size;
+} compat53_reader_data;
+
+
+static const char* compat53_reader(lua_State* L, void* ud, size_t* size) {
+	compat53_reader_data* data = (compat53_reader_data*)ud;
+	if (data->has_peeked_data) {
+		data->has_peeked_data = 0;
+		*size = data->peeked_data_size;
+		return data->peeked_data;
+	}
+	else
+		return data->reader(L, data->ud, size);
+}
+
+
+COMPAT53_API int lua_load(lua_State* L, lua_Reader reader, void* data, const char* source, const char* mode) {
+	int status = LUA_OK;
+	compat53_reader_data compat53_data = { reader, data, 1, 0, 0 };
+	compat53_data.peeked_data = reader(L, data, &(compat53_data.peeked_data_size));
+	if (compat53_data.peeked_data && compat53_data.peeked_data_size && compat53_data.peeked_data[0] == LUA_SIGNATURE[0]) /* binary file? */
+		status = compat53_checkmode(L, mode, "binary", LUA_ERRSYNTAX);
+	else
+		status = compat53_checkmode(L, mode, "text", LUA_ERRSYNTAX);
+	if (status != LUA_OK)
+		return status;
+		/* we need to call the original 5.1 version of lua_load! */
+#undef lua_load
+	return lua_load(L, compat53_reader, &compat53_data, source);
+#define lua_load COMPAT53_CONCAT(COMPAT53_PREFIX, _load_53)
+}
+
+
+typedef struct {
+	int n;                                    /* number of pre-read characters */
+	FILE* f;                                  /* file being read */
+	char buff[COMPAT53_LUA_FILE_BUFFER_SIZE]; /* area for reading file */
+} compat53_LoadF;
+
+
+static const char* compat53_getF(lua_State* L, void* ud, size_t* size) {
+	compat53_LoadF* lf = (compat53_LoadF*)ud;
+	(void)L;            /* not used */
+	if (lf->n > 0) {    /* are there pre-read characters to be read? */
+		*size = lf->n; /* return them (chars already in buffer) */
+		lf->n = 0;     /* no more pre-read characters */
+	}
+	else { /* read a block from file */
+		  /* 'fread' can return > 0 *and* set the EOF flag. If next call to
+		  'compat53_getF' called 'fread', it might still wait for user input.
+		  The next check avoids this problem. */
+		if (feof(lf->f))
+			return NULL;
+		*size = fread(lf->buff, 1, sizeof(lf->buff), lf->f); /* read block */
+	}
+	return lf->buff;
+}
+
+
+static int compat53_errfile(lua_State* L, const char* what, int fnameindex) {
+	char buf[512] = { 0 };
+	const char* serr = compat53_strerror(errno, buf, sizeof(buf));
+	const char* filename = lua_tostring(L, fnameindex) + 1;
+	lua_pushfstring(L, "cannot %s %s: %s", what, filename, serr);
+	lua_remove(L, fnameindex);
+	return LUA_ERRFILE;
+}
+
+
+static int compat53_skipBOM(compat53_LoadF* lf) {
+	const char* p = "\xEF\xBB\xBF"; /* UTF-8 BOM mark */
+	int c;
+	lf->n = 0;
+	do {
+		c = getc(lf->f);
+		if (c == EOF || c != *(const unsigned char*)p++)
+			return c;
+		lf->buff[lf->n++] = (char)c; /* to be read by the parser */
+	} while (*p != '\0');
+	lf->n = 0;          /* prefix matched; discard it */
+	return getc(lf->f); /* return next character */
+}
+
+
+/*
+** reads the first character of file 'f' and skips an optional BOM mark
+** in its beginning plus its first line if it starts with '#'. Returns
+** true if it skipped the first line.  In any case, '*cp' has the
+** first "valid" character of the file (after the optional BOM and
+** a first-line comment).
+*/
+static int compat53_skipcomment(compat53_LoadF* lf, int* cp) {
+	int c = *cp = compat53_skipBOM(lf);
+	if (c == '#') { /* first line is a comment (Unix exec. file)? */
+		do {       /* skip first line */
+			c = getc(lf->f);
+		} while (c != EOF && c != '\n');
+		*cp = getc(lf->f); /* skip end-of-line, if present */
+		return 1;          /* there was a comment */
+	}
+	else
+		return 0; /* no comment */
+}
+
+
+COMPAT53_API int luaL_loadfilex(lua_State* L, const char* filename, const char* mode) {
+	compat53_LoadF lf;
+	int status, readstatus;
+	int c;
+	int fnameindex = lua_gettop(L) + 1; /* index of filename on the stack */
+	if (filename == NULL) {
+		lua_pushliteral(L, "=stdin");
+		lf.f = stdin;
+	}
+	else {
+		lua_pushfstring(L, "@%s", filename);
+#if defined(_MSC_VER)
+		/* This code is here to stop a deprecation error that stops builds
+		 * if a certain macro is defined. While normally not caring would
+		 * be best, some header-only libraries and builds can't afford to
+		 * dictate this to the user. A quick check shows that fopen_s this
+		 * goes back to VS 2005, and _fsopen goes back to VS 2003 .NET,
+		 * possibly even before that so we don't need to do any version
+		 * number checks, since this has been there since forever.  */
+
+		/* TO USER: if you want the behavior of typical fopen_s/fopen,
+		 * which does lock the file on VC++, define the macro used below to 0 */
+#if COMPAT53_FOPEN_NO_LOCK
+		lf.f = _fsopen(filename, "r", _SH_DENYNO); /* do not lock the file in any way */
+		if (lf.f == NULL)
+			return compat53_errfile(L, "open", fnameindex);
+#else  /* use default locking version */
+		if (fopen_s(&lf.f, filename, "r") != 0)
+			return compat53_errfile(L, "open", fnameindex);
+#endif /* Locking vs. No-locking fopen variants */
+#else
+		lf.f = fopen(filename, "r"); /* default stdlib doesn't forcefully lock files here */
+		if (lf.f == NULL)
+			return compat53_errfile(L, "open", fnameindex);
+#endif
+	}
+	if (compat53_skipcomment(&lf, &c))       /* read initial portion */
+		lf.buff[lf.n++] = '\n';             /* add line to correct line numbers */
+	if (c == LUA_SIGNATURE[0] && filename) { /* binary file? */
+#if defined(_MSC_VER)
+		if (freopen_s(&lf.f, filename, "rb", lf.f) != 0)
+			return compat53_errfile(L, "reopen", fnameindex);
+#else
+		lf.f = freopen(filename, "rb", lf.f); /* reopen in binary mode */
+		if (lf.f == NULL)
+			return compat53_errfile(L, "reopen", fnameindex);
+#endif
+		compat53_skipcomment(&lf, &c); /* re-read initial portion */
+	}
+	if (c != EOF)
+		lf.buff[lf.n++] = (char)c; /* 'c' is the first character of the stream */
+	status = lua_load(L, &compat53_getF, &lf, lua_tostring(L, -1), mode);
+	readstatus = ferror(lf.f);
+	if (filename)
+		fclose(lf.f); /* close file (even in case of errors) */
+	if (readstatus) {
+		lua_settop(L, fnameindex); /* ignore results from 'lua_load' */
+		return compat53_errfile(L, "read", fnameindex);
+	}
+	lua_remove(L, fnameindex);
+	return status;
+}
+
+
+COMPAT53_API int luaL_loadbufferx(lua_State* L, const char* buff, size_t sz, const char* name, const char* mode) {
+	int status = LUA_OK;
+	if (sz > 0 && buff[0] == LUA_SIGNATURE[0]) {
+		status = compat53_checkmode(L, mode, "binary", LUA_ERRSYNTAX);
+	}
+	else {
+		status = compat53_checkmode(L, mode, "text", LUA_ERRSYNTAX);
+	}
+	if (status != LUA_OK)
+		return status;
+	return luaL_loadbuffer(L, buff, sz, name);
+}
+
+
+#if !defined(l_inspectstat) \
+     && (defined(unix) || defined(__unix) || defined(__unix__) || defined(__TOS_AIX__) || defined(_SYSTYPE_BSD) || (defined(__APPLE__) && defined(__MACH__)))
+/* some form of unix; check feature macros in unistd.h for details */
+#include <unistd.h>
+/* check posix version; the relevant include files and macros probably
+ * were available before 2001, but I'm not sure */
+#if defined(_POSIX_VERSION) && _POSIX_VERSION >= 200112L
+#include <sys/wait.h>
+#define l_inspectstat(stat, what)   \
+	if (WIFEXITED(stat)) {         \
+		stat = WEXITSTATUS(stat); \
+	}                              \
+	else if (WIFSIGNALED(stat)) {  \
+		stat = WTERMSIG(stat);    \
+		what = "signal";          \
+	}
+#endif
+#endif
+
+/* provide default (no-op) version */
+#if !defined(l_inspectstat)
+#define l_inspectstat(stat, what) ((void)0)
+#endif
+
+
+COMPAT53_API int luaL_execresult(lua_State* L, int stat) {
+	const char* what = "exit";
+	if (stat == -1)
+		return luaL_fileresult(L, 0, NULL);
+	else {
+		l_inspectstat(stat, what);
+		if (*what == 'e' && stat == 0)
+			lua_pushboolean(L, 1);
+		else
+			lua_pushnil(L);
+		lua_pushstring(L, what);
+		lua_pushinteger(L, stat);
+		return 3;
+	}
+}
+
+
+COMPAT53_API void luaL_buffinit(lua_State* L, luaL_Buffer_53* B) {
+	/* make it crash if used via pointer to a 5.1-style luaL_Buffer */
+	B->b.p = NULL;
+	B->b.L = NULL;
+	B->b.lvl = 0;
+	/* reuse the buffer from the 5.1-style luaL_Buffer though! */
+	B->ptr = B->b.buffer;
+	B->capacity = LUAL_BUFFERSIZE;
+	B->nelems = 0;
+	B->L2 = L;
+}
+
+
+COMPAT53_API char* luaL_prepbuffsize(luaL_Buffer_53* B, size_t s) {
+	if (B->capacity - B->nelems < s) { /* needs to grow */
+		char* newptr = NULL;
+		size_t newcap = B->capacity * 2;
+		if (newcap - B->nelems < s)
+			newcap = B->nelems + s;
+		if (newcap < B->capacity) /* overflow */
+			luaL_error(B->L2, "buffer too large");
+#if defined(LUA_VERSION_NUM) && LUA_VERSION_NUM >= 504
+		newptr = (char*)lua_newuserdatauv(B->L2, newcap, 0);
+#else
+		newptr = (char*)lua_newuserdata(B->L2, newcap);
+#endif
+		memcpy(newptr, B->ptr, B->nelems);
+		if (B->ptr != B->b.buffer)
+			lua_replace(B->L2, -2); /* remove old buffer */
+		B->ptr = newptr;
+		B->capacity = newcap;
+	}
+	return B->ptr + B->nelems;
+}
+
+
+COMPAT53_API void luaL_addlstring(luaL_Buffer_53* B, const char* s, size_t l) {
+	memcpy(luaL_prepbuffsize(B, l), s, l);
+	luaL_addsize(B, l);
+}
+
+
+COMPAT53_API void luaL_addvalue(luaL_Buffer_53* B) {
+	size_t len = 0;
+	const char* s = lua_tolstring(B->L2, -1, &len);
+	if (!s)
+		luaL_error(B->L2, "cannot convert value to string");
+	if (B->ptr != B->b.buffer)
+		lua_insert(B->L2, -2); /* userdata buffer must be at stack top */
+	luaL_addlstring(B, s, len);
+	lua_remove(B->L2, B->ptr != B->b.buffer ? -2 : -1);
+}
+
+
+void luaL_pushresult(luaL_Buffer_53* B) {
+	lua_pushlstring(B->L2, B->ptr, B->nelems);
+	if (B->ptr != B->b.buffer)
+		lua_replace(B->L2, -2); /* remove userdata buffer */
+}
+
+
+#endif /* Lua 5.1 */
+
+
+
+/* definitions for Lua 5.1 and Lua 5.2 */
+#if defined(LUA_VERSION_NUM) && LUA_VERSION_NUM <= 502
+
+
+COMPAT53_API int lua_geti(lua_State* L, int index, lua_Integer i) {
+	index = lua_absindex(L, index);
+	lua_pushinteger(L, i);
+	lua_gettable(L, index);
+	return lua_type(L, -1);
+}
+
+
+COMPAT53_API int lua_isinteger(lua_State* L, int index) {
+	if (lua_type(L, index) == LUA_TNUMBER) {
+		lua_Number n = lua_tonumber(L, index);
+		lua_Integer i = lua_tointeger(L, index);
+		if (i == n)
+			return 1;
+	}
+	return 0;
+}
+
+
+COMPAT53_API lua_Integer lua_tointegerx(lua_State* L, int i, int* isnum) {
+	int ok = 0;
+	lua_Number n = lua_tonumberx(L, i, &ok);
+	if (ok) {
+		if (n == (lua_Integer)n) {
+			if (isnum)
+				*isnum = 1;
+			return (lua_Integer)n;
+		}
+	}
+	if (isnum)
+		*isnum = 0;
+	return 0;
+}
+
+
+static void compat53_reverse(lua_State* L, int a, int b) {
+	for (; a < b; ++a, --b) {
+		lua_pushvalue(L, a);
+		lua_pushvalue(L, b);
+		lua_replace(L, a);
+		lua_replace(L, b);
+	}
+}
+
+
+COMPAT53_API void lua_rotate(lua_State* L, int idx, int n) {
+	int n_elems = 0;
+	idx = lua_absindex(L, idx);
+	n_elems = lua_gettop(L) - idx + 1;
+	if (n < 0)
+		n += n_elems;
+	if (n > 0 && n < n_elems) {
+		luaL_checkstack(L, 2, "not enough stack slots available");
+		n = n_elems - n;
+		compat53_reverse(L, idx, idx + n - 1);
+		compat53_reverse(L, idx + n, idx + n_elems - 1);
+		compat53_reverse(L, idx, idx + n_elems - 1);
+	}
+}
+
+
+COMPAT53_API void lua_seti(lua_State* L, int index, lua_Integer i) {
+	luaL_checkstack(L, 1, "not enough stack slots available");
+	index = lua_absindex(L, index);
+	lua_pushinteger(L, i);
+	lua_insert(L, -2);
+	lua_settable(L, index);
+}
+
+
+#if !defined(lua_str2number)
+#define lua_str2number(s, p) strtod((s), (p))
+#endif
+
+COMPAT53_API size_t lua_stringtonumber(lua_State* L, const char* s) {
+	char* endptr;
+	lua_Number n = lua_str2number(s, &endptr);
+	if (endptr != s) {
+		while (*endptr != '\0' && isspace((unsigned char)*endptr))
+			++endptr;
+		if (*endptr == '\0') {
+			lua_pushnumber(L, n);
+			return endptr - s + 1;
+		}
+	}
+	return 0;
+}
+
+
+COMPAT53_API const char* luaL_tolstring(lua_State* L, int idx, size_t* len) {
+	if (!luaL_callmeta(L, idx, "__tostring")) {
+		int t = lua_type(L, idx), tt = 0;
+		char const* name = NULL;
+		switch (t) {
+		case LUA_TNIL:
+			lua_pushliteral(L, "nil");
+			break;
+		case LUA_TSTRING:
+		case LUA_TNUMBER:
+			lua_pushvalue(L, idx);
+			break;
+		case LUA_TBOOLEAN:
+			if (lua_toboolean(L, idx))
+				lua_pushliteral(L, "true");
+			else
+				lua_pushliteral(L, "false");
+			break;
+		default:
+			tt = luaL_getmetafield(L, idx, "__name");
+			name = (tt == LUA_TSTRING) ? lua_tostring(L, -1) : lua_typename(L, t);
+			lua_pushfstring(L, "%s: %p", name, lua_topointer(L, idx));
+			if (tt != LUA_TNIL)
+				lua_replace(L, -2);
+			break;
+		}
+	}
+	else {
+		if (!lua_isstring(L, -1))
+			luaL_error(L, "'__tostring' must return a string");
+	}
+	return lua_tolstring(L, -1, len);
+}
+
+
+COMPAT53_API void luaL_requiref(lua_State* L, const char* modname, lua_CFunction openf, int glb) {
+	luaL_checkstack(L, 3, "not enough stack slots available");
+	luaL_getsubtable(L, LUA_REGISTRYINDEX, "_LOADED");
+	if (lua_getfield(L, -1, modname) == LUA_TNIL) {
+		lua_pop(L, 1);
+		lua_pushcfunction(L, openf);
+		lua_pushstring(L, modname);
+		lua_call(L, 1, 1);
+		lua_pushvalue(L, -1);
+		lua_setfield(L, -3, modname);
+	}
+	if (glb) {
+		lua_pushvalue(L, -1);
+		lua_setglobal(L, modname);
+	}
+	lua_replace(L, -2);
+}
+
+
+#endif /* Lua 5.1 and 5.2 */
+
+
+#endif /* KEPLER_PROJECT_COMPAT53_C_ */
+
+
+/*********************************************************************
+ * This file contains parts of Lua 5.2's and Lua 5.3's source code:
+ *
+ * Copyright (C) 1994-2014 Lua.org, PUC-Rio.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining
+ * a copy of this software and associated documentation files (the
+ * "Software"), to deal in the Software without restriction, including
+ * without limitation the rights to use, copy, modify, merge, publish,
+ * distribute, sublicense, and/or sell copies of the Software, and to
+ * permit persons to whom the Software is furnished to do so, subject to
+ * the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be
+ * included in all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
+ * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+ * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
+ * IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY
+ * CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
+ * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
+ * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+ *********************************************************************/
diff --git a/extern/sol3/sol/compatibility/compat-5.3.h b/extern/sol3/sol/compatibility/compat-5.3.h
index ea232d2c4e..8d32d2d749 100644
--- a/extern/sol3/sol/compatibility/compat-5.3.h
+++ b/extern/sol3/sol/compatibility/compat-5.3.h
@@ -1,424 +1,430 @@
-#ifndef KEPLER_PROJECT_COMPAT53_H_
-#define KEPLER_PROJECT_COMPAT53_H_
-
-#include <stddef.h>
-#include <limits.h>
-#include <string.h>
-#if defined(__cplusplus) && !defined(COMPAT53_LUA_CPP)
-extern "C" {
-#endif
-#include <lua.h>
-#include <lauxlib.h>
-#include <lualib.h>
-#if defined(__cplusplus) && !defined(COMPAT53_LUA_CPP)
-}
-#endif
-
-#ifndef COMPAT53_PREFIX
-/* we chose this name because many other lua bindings / libs have
-* their own compatibility layer, and that use the compat53 declaration
-* frequently, causing all kinds of linker / compiler issues
-*/
-#  define COMPAT53_PREFIX kp_compat53
-#endif // COMPAT53_PREFIX
-
-#ifndef COMPAT53_API
-#  if defined(COMPAT53_INCLUDE_SOURCE) && COMPAT53_INCLUDE_SOURCE
-#    if defined(__GNUC__) || defined(__clang__)
-#      define COMPAT53_API __attribute__((__unused__)) static inline 
-#    else
-#      define COMPAT53_API static inline 
-#    endif /* Clang/GCC */
-#  else /* COMPAT53_INCLUDE_SOURCE */
-/* we are not including source, so everything is extern */
-#      define COMPAT53_API extern
-#  endif /* COMPAT53_INCLUDE_SOURCE */
-#endif /* COMPAT53_PREFIX */
-
-
-#define COMPAT53_CONCAT_HELPER(a, b) a##b
-#define COMPAT53_CONCAT(a, b) COMPAT53_CONCAT_HELPER(a, b)
-
-
-
-/* declarations for Lua 5.1 */
-#if defined(LUA_VERSION_NUM) && LUA_VERSION_NUM == 501
-
-/* XXX not implemented:
-* lua_arith (new operators)
-* lua_upvalueid
-* lua_upvaluejoin
-* lua_version
-* lua_yieldk
-*/
-
-#ifndef LUA_OK
-#  define LUA_OK 0
-#endif
-#ifndef LUA_OPADD
-#  define LUA_OPADD 0
-#endif
-#ifndef LUA_OPSUB
-#  define LUA_OPSUB 1
-#endif
-#ifndef LUA_OPMUL
-#  define LUA_OPMUL 2
-#endif
-#ifndef LUA_OPDIV
-#  define LUA_OPDIV 3
-#endif
-#ifndef LUA_OPMOD
-#  define LUA_OPMOD 4
-#endif
-#ifndef LUA_OPPOW
-#  define LUA_OPPOW 5
-#endif
-#ifndef LUA_OPUNM
-#  define LUA_OPUNM 6
-#endif
-#ifndef LUA_OPEQ
-#  define LUA_OPEQ 0
-#endif
-#ifndef LUA_OPLT
-#  define LUA_OPLT 1
-#endif
-#ifndef LUA_OPLE
-#  define LUA_OPLE 2
-#endif
-
-/* LuaJIT/Lua 5.1 does not have the updated
-* error codes for thread status/function returns (but some patched versions do)
-* define it only if it's not found
-*/
-#if !defined(LUA_ERRGCMM)
-/* Use + 2 because in some versions of Lua (Lua 5.1)
-* LUA_ERRFILE is defined as (LUA_ERRERR+1)
-* so we need to avoid it (LuaJIT might have something at this
-* integer value too)
-*/
-#  define LUA_ERRGCMM (LUA_ERRERR + 2)
-#endif /* LUA_ERRGCMM define */
-
-#if !defined(MOONJIT_VERSION)
-typedef size_t lua_Unsigned;
-#endif
-
-typedef struct luaL_Buffer_53 {
-	luaL_Buffer b; /* make incorrect code crash! */
-	char *ptr;
-	size_t nelems;
-	size_t capacity;
-	lua_State *L2;
-} luaL_Buffer_53;
-#define luaL_Buffer luaL_Buffer_53
-
-/* In PUC-Rio 5.1, userdata is a simple FILE*
-* In LuaJIT, it's a struct where the first member is a FILE*
-* We can't support the `closef` member
-*/
-typedef struct luaL_Stream {
-	FILE *f;
-} luaL_Stream;
-
-#define lua_absindex COMPAT53_CONCAT(COMPAT53_PREFIX, _absindex)
-COMPAT53_API int lua_absindex(lua_State *L, int i);
-
-#define lua_arith COMPAT53_CONCAT(COMPAT53_PREFIX, _arith)
-COMPAT53_API void lua_arith(lua_State *L, int op);
-
-#define lua_compare COMPAT53_CONCAT(COMPAT53_PREFIX, _compare)
-COMPAT53_API int lua_compare(lua_State *L, int idx1, int idx2, int op);
-
-#define lua_copy COMPAT53_CONCAT(COMPAT53_PREFIX, _copy)
-COMPAT53_API void lua_copy(lua_State *L, int from, int to);
-
-#define lua_getuservalue(L, i) \
-  (lua_getfenv((L), (i)), lua_type((L), -1))
-#define lua_setuservalue(L, i) \
-  (luaL_checktype((L), -1, LUA_TTABLE), lua_setfenv((L), (i)))
-
-#define lua_len COMPAT53_CONCAT(COMPAT53_PREFIX, _len)
-COMPAT53_API void lua_len(lua_State *L, int i);
-
-#define lua_pushstring(L, s) \
-  (lua_pushstring((L), (s)), lua_tostring((L), -1))
-
-#define lua_pushlstring(L, s, len) \
-  ((((len) == 0) ? lua_pushlstring((L), "", 0) : lua_pushlstring((L), (s), (len))), lua_tostring((L), -1))
-
-#ifndef luaL_newlibtable
-#  define luaL_newlibtable(L, l) \
-  (lua_createtable((L), 0, sizeof((l))/sizeof(*(l))-1))
-#endif
-#ifndef luaL_newlib
-#  define luaL_newlib(L, l) \
-  (luaL_newlibtable((L), (l)), luaL_register((L), NULL, (l)))
-#endif
-
-#ifndef lua_pushglobaltable
-#  define lua_pushglobaltable(L) \
-  lua_pushvalue((L), LUA_GLOBALSINDEX)
-#endif
-#define lua_rawgetp COMPAT53_CONCAT(COMPAT53_PREFIX, _rawgetp)
-COMPAT53_API int lua_rawgetp(lua_State *L, int i, const void *p);
-
-#define lua_rawsetp COMPAT53_CONCAT(COMPAT53_PREFIX, _rawsetp)
-COMPAT53_API void lua_rawsetp(lua_State *L, int i, const void *p);
-
-#define lua_rawlen(L, i) lua_objlen((L), (i))
-
-#define lua_tointeger(L, i) lua_tointegerx((L), (i), NULL)
-
-#define lua_tonumberx COMPAT53_CONCAT(COMPAT53_PREFIX, _tonumberx)
-COMPAT53_API lua_Number lua_tonumberx(lua_State *L, int i, int *isnum);
-
-#define luaL_checkversion COMPAT53_CONCAT(COMPAT53_PREFIX, L_checkversion)
-COMPAT53_API void luaL_checkversion(lua_State *L);
-
-#define lua_load COMPAT53_CONCAT(COMPAT53_PREFIX, _load_53)
-COMPAT53_API int lua_load(lua_State *L, lua_Reader reader, void *data, const char* source, const char* mode);
-
-#define luaL_loadfilex COMPAT53_CONCAT(COMPAT53_PREFIX, L_loadfilex)
-COMPAT53_API int luaL_loadfilex(lua_State *L, const char *filename, const char *mode);
-
-#define luaL_loadbufferx COMPAT53_CONCAT(COMPAT53_PREFIX, L_loadbufferx)
-COMPAT53_API int luaL_loadbufferx(lua_State *L, const char *buff, size_t sz, const char *name, const char *mode);
-
-#define luaL_checkstack COMPAT53_CONCAT(COMPAT53_PREFIX, L_checkstack_53)
-COMPAT53_API void luaL_checkstack(lua_State *L, int sp, const char *msg);
-
-#define luaL_getsubtable COMPAT53_CONCAT(COMPAT53_PREFIX, L_getsubtable)
-COMPAT53_API int luaL_getsubtable(lua_State* L, int i, const char *name);
-
-#define luaL_len COMPAT53_CONCAT(COMPAT53_PREFIX, L_len)
-COMPAT53_API lua_Integer luaL_len(lua_State *L, int i);
-
-#define luaL_setfuncs COMPAT53_CONCAT(COMPAT53_PREFIX, L_setfuncs)
-COMPAT53_API void luaL_setfuncs(lua_State *L, const luaL_Reg *l, int nup);
-
-#define luaL_setmetatable COMPAT53_CONCAT(COMPAT53_PREFIX, L_setmetatable)
-COMPAT53_API void luaL_setmetatable(lua_State *L, const char *tname);
-
-#define luaL_testudata COMPAT53_CONCAT(COMPAT53_PREFIX, L_testudata)
-COMPAT53_API void *luaL_testudata(lua_State *L, int i, const char *tname);
-
-#define luaL_traceback COMPAT53_CONCAT(COMPAT53_PREFIX, L_traceback)
-COMPAT53_API void luaL_traceback(lua_State *L, lua_State *L1, const char *msg, int level);
-
-#define luaL_fileresult COMPAT53_CONCAT(COMPAT53_PREFIX, L_fileresult)
-COMPAT53_API int luaL_fileresult(lua_State *L, int stat, const char *fname);
-
-#define luaL_execresult COMPAT53_CONCAT(COMPAT53_PREFIX, L_execresult)
-COMPAT53_API int luaL_execresult(lua_State *L, int stat);
-
-#define lua_callk(L, na, nr, ctx, cont) \
-  ((void)(ctx), (void)(cont), lua_call((L), (na), (nr)))
-#define lua_pcallk(L, na, nr, err, ctx, cont) \
-  ((void)(ctx), (void)(cont), lua_pcall((L), (na), (nr), (err)))
-
-#define lua_resume(L, from, nargs) \
-  ((void)(from), lua_resume((L), (nargs)))
-
-#define luaL_buffinit COMPAT53_CONCAT(COMPAT53_PREFIX, _buffinit_53)
-COMPAT53_API void luaL_buffinit(lua_State *L, luaL_Buffer_53 *B);
-
-#define luaL_prepbuffsize COMPAT53_CONCAT(COMPAT53_PREFIX, _prepbufsize_53)
-COMPAT53_API char *luaL_prepbuffsize(luaL_Buffer_53 *B, size_t s);
-
-#define luaL_addlstring COMPAT53_CONCAT(COMPAT53_PREFIX, _addlstring_53)
-COMPAT53_API void luaL_addlstring(luaL_Buffer_53 *B, const char *s, size_t l);
-
-#define luaL_addvalue COMPAT53_CONCAT(COMPAT53_PREFIX, _addvalue_53)
-COMPAT53_API void luaL_addvalue(luaL_Buffer_53 *B);
-
-#define luaL_pushresult COMPAT53_CONCAT(COMPAT53_PREFIX, _pushresult_53)
-COMPAT53_API void luaL_pushresult(luaL_Buffer_53 *B);
-
-#undef luaL_buffinitsize
-#define luaL_buffinitsize(L, B, s) \
-  (luaL_buffinit((L), (B)), luaL_prepbuffsize((B), (s)))
-
-#undef luaL_prepbuffer
-#define luaL_prepbuffer(B) \
-  luaL_prepbuffsize((B), LUAL_BUFFERSIZE)
-
-#undef luaL_addchar
-#define luaL_addchar(B, c) \
-  ((void)((B)->nelems < (B)->capacity || luaL_prepbuffsize((B), 1)), \
-   ((B)->ptr[(B)->nelems++] = (c)))
-
-#undef luaL_addsize
-#define luaL_addsize(B, s) \
-  ((B)->nelems += (s))
-
-#undef luaL_addstring
-#define luaL_addstring(B, s) \
-  luaL_addlstring((B), (s), strlen((s)))
-
-#undef luaL_pushresultsize
-#define luaL_pushresultsize(B, s) \
-  (luaL_addsize((B), (s)), luaL_pushresult((B)))
-
-#if defined(LUA_COMPAT_APIINTCASTS)
-#define lua_pushunsigned(L, n) \
-  lua_pushinteger((L), (lua_Integer)(n))
-#define lua_tounsignedx(L, i, is) \
-  ((lua_Unsigned)lua_tointegerx((L), (i), (is)))
-#define lua_tounsigned(L, i) \
-  lua_tounsignedx((L), (i), NULL)
-#define luaL_checkunsigned(L, a) \
-  ((lua_Unsigned)luaL_checkinteger((L), (a)))
-#define luaL_optunsigned(L, a, d) \
-  ((lua_Unsigned)luaL_optinteger((L), (a), (lua_Integer)(d)))
-#endif
-
-#endif /* Lua 5.1 only */
-
-
-
-/* declarations for Lua 5.1 and 5.2 */
-#if defined(LUA_VERSION_NUM) && LUA_VERSION_NUM <= 502
-
-typedef int lua_KContext;
-
-typedef int(*lua_KFunction)(lua_State *L, int status, lua_KContext ctx);
-
-#define lua_dump(L, w, d, s) \
-  ((void)(s), lua_dump((L), (w), (d)))
-
-#define lua_getfield(L, i, k) \
-  (lua_getfield((L), (i), (k)), lua_type((L), -1))
-
-#define lua_gettable(L, i) \
-  (lua_gettable((L), (i)), lua_type((L), -1))
-
-#define lua_geti COMPAT53_CONCAT(COMPAT53_PREFIX, _geti)
-COMPAT53_API int lua_geti(lua_State *L, int index, lua_Integer i);
-
-#define lua_isinteger COMPAT53_CONCAT(COMPAT53_PREFIX, _isinteger)
-COMPAT53_API int lua_isinteger(lua_State *L, int index);
-
-#define lua_tointegerx COMPAT53_CONCAT(COMPAT53_PREFIX, _tointegerx_53)
-COMPAT53_API lua_Integer lua_tointegerx(lua_State *L, int i, int *isnum);
-
-#define lua_numbertointeger(n, p) \
-  ((*(p) = (lua_Integer)(n)), 1)
-
-#define lua_rawget(L, i) \
-  (lua_rawget((L), (i)), lua_type((L), -1))
-
-#define lua_rawgeti(L, i, n) \
-  (lua_rawgeti((L), (i), (n)), lua_type((L), -1))
-
-#define lua_rotate COMPAT53_CONCAT(COMPAT53_PREFIX, _rotate)
-COMPAT53_API void lua_rotate(lua_State *L, int idx, int n);
-
-#define lua_seti COMPAT53_CONCAT(COMPAT53_PREFIX, _seti)
-COMPAT53_API void lua_seti(lua_State *L, int index, lua_Integer i);
-
-#define lua_stringtonumber COMPAT53_CONCAT(COMPAT53_PREFIX, _stringtonumber)
-COMPAT53_API size_t lua_stringtonumber(lua_State *L, const char *s);
-
-#define luaL_tolstring COMPAT53_CONCAT(COMPAT53_PREFIX, L_tolstring)
-COMPAT53_API const char *luaL_tolstring(lua_State *L, int idx, size_t *len);
-
-#define luaL_getmetafield(L, o, e) \
-  (luaL_getmetafield((L), (o), (e)) ? lua_type((L), -1) : LUA_TNIL)
-
-#define luaL_newmetatable(L, tn) \
-  (luaL_newmetatable((L), (tn)) ? (lua_pushstring((L), (tn)), lua_setfield((L), -2, "__name"), 1) : 0)
-
-#define luaL_requiref COMPAT53_CONCAT(COMPAT53_PREFIX, L_requiref_53)
-COMPAT53_API void luaL_requiref(lua_State *L, const char *modname,
-	lua_CFunction openf, int glb);
-
-#endif /* Lua 5.1 and Lua 5.2 */
-
-
-
-/* declarations for Lua 5.2 */
-#if defined(LUA_VERSION_NUM) && LUA_VERSION_NUM == 502
-
-/* XXX not implemented:
-* lua_isyieldable
-* lua_getextraspace
-* lua_arith (new operators)
-* lua_pushfstring (new formats)
-*/
-
-#define lua_getglobal(L, n) \
-  (lua_getglobal((L), (n)), lua_type((L), -1))
-
-#define lua_getuservalue(L, i) \
-  (lua_getuservalue((L), (i)), lua_type((L), -1))
-
-#define lua_pushlstring(L, s, len) \
-  (((len) == 0) ? lua_pushlstring((L), "", 0) : lua_pushlstring((L), (s), (len)))
-
-#define lua_rawgetp(L, i, p) \
-  (lua_rawgetp((L), (i), (p)), lua_type((L), -1))
-
-#define LUA_KFUNCTION(_name) \
-  static int (_name)(lua_State *L, int status, lua_KContext ctx); \
-  static int (_name ## _52)(lua_State *L) { \
-    lua_KContext ctx; \
-    int status = lua_getctx(L, &ctx); \
-    return (_name)(L, status, ctx); \
-  } \
-  static int (_name)(lua_State *L, int status, lua_KContext ctx)
-
-#define lua_pcallk(L, na, nr, err, ctx, cont) \
-  lua_pcallk((L), (na), (nr), (err), (ctx), cont ## _52)
-
-#define lua_callk(L, na, nr, ctx, cont) \
-  lua_callk((L), (na), (nr), (ctx), cont ## _52)
-
-#define lua_yieldk(L, nr, ctx, cont) \
-  lua_yieldk((L), (nr), (ctx), cont ## _52)
-
-#ifdef lua_call
-#  undef lua_call
-#  define lua_call(L, na, nr) \
-  (lua_callk)((L), (na), (nr), 0, NULL)
-#endif
-
-#ifdef lua_pcall
-#  undef lua_pcall
-#  define lua_pcall(L, na, nr, err) \
-  (lua_pcallk)((L), (na), (nr), (err), 0, NULL)
-#endif
-
-#ifdef lua_yield
-#  undef lua_yield
-#  define lua_yield(L, nr) \
-  (lua_yieldk)((L), (nr), 0, NULL)
-#endif
-
-#endif /* Lua 5.2 only */
-
-
-
-/* other Lua versions */
-#if !defined(LUA_VERSION_NUM) || LUA_VERSION_NUM < 501 || LUA_VERSION_NUM > 504
-
-#  error "unsupported Lua version (i.e. not Lua 5.1, 5.2, 5.3, or 5.4)"
-
-#endif /* other Lua versions except 5.1, 5.2, 5.3, and 5.4 */
-
-
-
-/* helper macro for defining continuation functions (for every version
-* *except* Lua 5.2) */
-#ifndef LUA_KFUNCTION
-#define LUA_KFUNCTION(_name) \
-  static int (_name)(lua_State *L, int status, lua_KContext ctx)
-#endif
-
-
-#if defined(COMPAT53_INCLUDE_SOURCE) && COMPAT53_INCLUDE_SOURCE == 1
-#  include "compat-5.3.c.h"
-#endif
-
-
-#endif /* KEPLER_PROJECT_COMPAT53_H_ */
-
+#ifndef KEPLER_PROJECT_COMPAT53_H_
+#define KEPLER_PROJECT_COMPAT53_H_
+
+#include <stddef.h>
+#include <limits.h>
+#include <string.h>
+#if defined(__cplusplus) && !defined(COMPAT53_LUA_CPP)
+extern "C" {
+#endif
+#if __has_include(<lua/lua.h>)
+  #include <lua/lua.h>
+  #include <lua/lauxlib.h>
+  #include <lua/lualib.h>
+#else
+  #include <lua.h>
+  #include <lauxlib.h>
+  #include <lualib.h>
+#endif
+#if defined(__cplusplus) && !defined(COMPAT53_LUA_CPP)
+}
+#endif
+
+#ifndef COMPAT53_PREFIX
+/* we chose this name because many other lua bindings / libs have
+* their own compatibility layer, and that use the compat53 declaration
+* frequently, causing all kinds of linker / compiler issues
+*/
+#  define COMPAT53_PREFIX kp_compat53
+#endif // COMPAT53_PREFIX
+
+#ifndef COMPAT53_API
+#  if defined(COMPAT53_INCLUDE_SOURCE) && COMPAT53_INCLUDE_SOURCE
+#    if defined(__GNUC__) || defined(__clang__)
+#      define COMPAT53_API __attribute__((__unused__)) static inline 
+#    else
+#      define COMPAT53_API static inline 
+#    endif /* Clang/GCC */
+#  else /* COMPAT53_INCLUDE_SOURCE */
+/* we are not including source, so everything is extern */
+#      define COMPAT53_API extern
+#  endif /* COMPAT53_INCLUDE_SOURCE */
+#endif /* COMPAT53_PREFIX */
+
+
+#define COMPAT53_CONCAT_HELPER(a, b) a##b
+#define COMPAT53_CONCAT(a, b) COMPAT53_CONCAT_HELPER(a, b)
+
+
+
+/* declarations for Lua 5.1 */
+#if defined(LUA_VERSION_NUM) && LUA_VERSION_NUM == 501
+
+/* XXX not implemented:
+* lua_arith (new operators)
+* lua_upvalueid
+* lua_upvaluejoin
+* lua_version
+* lua_yieldk
+*/
+
+#ifndef LUA_OK
+#  define LUA_OK 0
+#endif
+#ifndef LUA_OPADD
+#  define LUA_OPADD 0
+#endif
+#ifndef LUA_OPSUB
+#  define LUA_OPSUB 1
+#endif
+#ifndef LUA_OPMUL
+#  define LUA_OPMUL 2
+#endif
+#ifndef LUA_OPDIV
+#  define LUA_OPDIV 3
+#endif
+#ifndef LUA_OPMOD
+#  define LUA_OPMOD 4
+#endif
+#ifndef LUA_OPPOW
+#  define LUA_OPPOW 5
+#endif
+#ifndef LUA_OPUNM
+#  define LUA_OPUNM 6
+#endif
+#ifndef LUA_OPEQ
+#  define LUA_OPEQ 0
+#endif
+#ifndef LUA_OPLT
+#  define LUA_OPLT 1
+#endif
+#ifndef LUA_OPLE
+#  define LUA_OPLE 2
+#endif
+
+/* LuaJIT/Lua 5.1 does not have the updated
+* error codes for thread status/function returns (but some patched versions do)
+* define it only if it's not found
+*/
+#if !defined(LUA_ERRGCMM)
+/* Use + 2 because in some versions of Lua (Lua 5.1)
+* LUA_ERRFILE is defined as (LUA_ERRERR+1)
+* so we need to avoid it (LuaJIT might have something at this
+* integer value too)
+*/
+#  define LUA_ERRGCMM (LUA_ERRERR + 2)
+#endif /* LUA_ERRGCMM define */
+
+#if !defined(MOONJIT_VERSION)
+typedef size_t lua_Unsigned;
+#endif
+
+typedef struct luaL_Buffer_53 {
+	luaL_Buffer b; /* make incorrect code crash! */
+	char *ptr;
+	size_t nelems;
+	size_t capacity;
+	lua_State *L2;
+} luaL_Buffer_53;
+#define luaL_Buffer luaL_Buffer_53
+
+/* In PUC-Rio 5.1, userdata is a simple FILE*
+* In LuaJIT, it's a struct where the first member is a FILE*
+* We can't support the `closef` member
+*/
+typedef struct luaL_Stream {
+	FILE *f;
+} luaL_Stream;
+
+#define lua_absindex COMPAT53_CONCAT(COMPAT53_PREFIX, _absindex)
+COMPAT53_API int lua_absindex(lua_State *L, int i);
+
+#define lua_arith COMPAT53_CONCAT(COMPAT53_PREFIX, _arith)
+COMPAT53_API void lua_arith(lua_State *L, int op);
+
+#define lua_compare COMPAT53_CONCAT(COMPAT53_PREFIX, _compare)
+COMPAT53_API int lua_compare(lua_State *L, int idx1, int idx2, int op);
+
+#define lua_copy COMPAT53_CONCAT(COMPAT53_PREFIX, _copy)
+COMPAT53_API void lua_copy(lua_State *L, int from, int to);
+
+#define lua_getuservalue(L, i) \
+  (lua_getfenv((L), (i)), lua_type((L), -1))
+#define lua_setuservalue(L, i) \
+  (luaL_checktype((L), -1, LUA_TTABLE), lua_setfenv((L), (i)))
+
+#define lua_len COMPAT53_CONCAT(COMPAT53_PREFIX, _len)
+COMPAT53_API void lua_len(lua_State *L, int i);
+
+#define lua_pushstring(L, s) \
+  (lua_pushstring((L), (s)), lua_tostring((L), -1))
+
+#define lua_pushlstring(L, s, len) \
+  ((((len) == 0) ? lua_pushlstring((L), "", 0) : lua_pushlstring((L), (s), (len))), lua_tostring((L), -1))
+
+#ifndef luaL_newlibtable
+#  define luaL_newlibtable(L, l) \
+  (lua_createtable((L), 0, sizeof((l))/sizeof(*(l))-1))
+#endif
+#ifndef luaL_newlib
+#  define luaL_newlib(L, l) \
+  (luaL_newlibtable((L), (l)), luaL_register((L), NULL, (l)))
+#endif
+
+#ifndef lua_pushglobaltable
+#  define lua_pushglobaltable(L) \
+  lua_pushvalue((L), LUA_GLOBALSINDEX)
+#endif
+#define lua_rawgetp COMPAT53_CONCAT(COMPAT53_PREFIX, _rawgetp)
+COMPAT53_API int lua_rawgetp(lua_State *L, int i, const void *p);
+
+#define lua_rawsetp COMPAT53_CONCAT(COMPAT53_PREFIX, _rawsetp)
+COMPAT53_API void lua_rawsetp(lua_State *L, int i, const void *p);
+
+#define lua_rawlen(L, i) lua_objlen((L), (i))
+
+#define lua_tointeger(L, i) lua_tointegerx((L), (i), NULL)
+
+#define lua_tonumberx COMPAT53_CONCAT(COMPAT53_PREFIX, _tonumberx)
+COMPAT53_API lua_Number lua_tonumberx(lua_State *L, int i, int *isnum);
+
+#define luaL_checkversion COMPAT53_CONCAT(COMPAT53_PREFIX, L_checkversion)
+COMPAT53_API void luaL_checkversion(lua_State *L);
+
+#define lua_load COMPAT53_CONCAT(COMPAT53_PREFIX, _load_53)
+COMPAT53_API int lua_load(lua_State *L, lua_Reader reader, void *data, const char* source, const char* mode);
+
+#define luaL_loadfilex COMPAT53_CONCAT(COMPAT53_PREFIX, L_loadfilex)
+COMPAT53_API int luaL_loadfilex(lua_State *L, const char *filename, const char *mode);
+
+#define luaL_loadbufferx COMPAT53_CONCAT(COMPAT53_PREFIX, L_loadbufferx)
+COMPAT53_API int luaL_loadbufferx(lua_State *L, const char *buff, size_t sz, const char *name, const char *mode);
+
+#define luaL_checkstack COMPAT53_CONCAT(COMPAT53_PREFIX, L_checkstack_53)
+COMPAT53_API void luaL_checkstack(lua_State *L, int sp, const char *msg);
+
+#define luaL_getsubtable COMPAT53_CONCAT(COMPAT53_PREFIX, L_getsubtable)
+COMPAT53_API int luaL_getsubtable(lua_State* L, int i, const char *name);
+
+#define luaL_len COMPAT53_CONCAT(COMPAT53_PREFIX, L_len)
+COMPAT53_API lua_Integer luaL_len(lua_State *L, int i);
+
+#define luaL_setfuncs COMPAT53_CONCAT(COMPAT53_PREFIX, L_setfuncs)
+COMPAT53_API void luaL_setfuncs(lua_State *L, const luaL_Reg *l, int nup);
+
+#define luaL_setmetatable COMPAT53_CONCAT(COMPAT53_PREFIX, L_setmetatable)
+COMPAT53_API void luaL_setmetatable(lua_State *L, const char *tname);
+
+#define luaL_testudata COMPAT53_CONCAT(COMPAT53_PREFIX, L_testudata)
+COMPAT53_API void *luaL_testudata(lua_State *L, int i, const char *tname);
+
+#define luaL_traceback COMPAT53_CONCAT(COMPAT53_PREFIX, L_traceback)
+COMPAT53_API void luaL_traceback(lua_State *L, lua_State *L1, const char *msg, int level);
+
+#define luaL_fileresult COMPAT53_CONCAT(COMPAT53_PREFIX, L_fileresult)
+COMPAT53_API int luaL_fileresult(lua_State *L, int stat, const char *fname);
+
+#define luaL_execresult COMPAT53_CONCAT(COMPAT53_PREFIX, L_execresult)
+COMPAT53_API int luaL_execresult(lua_State *L, int stat);
+
+#define lua_callk(L, na, nr, ctx, cont) \
+  ((void)(ctx), (void)(cont), lua_call((L), (na), (nr)))
+#define lua_pcallk(L, na, nr, err, ctx, cont) \
+  ((void)(ctx), (void)(cont), lua_pcall((L), (na), (nr), (err)))
+
+#define lua_resume(L, from, nargs) \
+  ((void)(from), lua_resume((L), (nargs)))
+
+#define luaL_buffinit COMPAT53_CONCAT(COMPAT53_PREFIX, _buffinit_53)
+COMPAT53_API void luaL_buffinit(lua_State *L, luaL_Buffer_53 *B);
+
+#define luaL_prepbuffsize COMPAT53_CONCAT(COMPAT53_PREFIX, _prepbufsize_53)
+COMPAT53_API char *luaL_prepbuffsize(luaL_Buffer_53 *B, size_t s);
+
+#define luaL_addlstring COMPAT53_CONCAT(COMPAT53_PREFIX, _addlstring_53)
+COMPAT53_API void luaL_addlstring(luaL_Buffer_53 *B, const char *s, size_t l);
+
+#define luaL_addvalue COMPAT53_CONCAT(COMPAT53_PREFIX, _addvalue_53)
+COMPAT53_API void luaL_addvalue(luaL_Buffer_53 *B);
+
+#define luaL_pushresult COMPAT53_CONCAT(COMPAT53_PREFIX, _pushresult_53)
+COMPAT53_API void luaL_pushresult(luaL_Buffer_53 *B);
+
+#undef luaL_buffinitsize
+#define luaL_buffinitsize(L, B, s) \
+  (luaL_buffinit((L), (B)), luaL_prepbuffsize((B), (s)))
+
+#undef luaL_prepbuffer
+#define luaL_prepbuffer(B) \
+  luaL_prepbuffsize((B), LUAL_BUFFERSIZE)
+
+#undef luaL_addchar
+#define luaL_addchar(B, c) \
+  ((void)((B)->nelems < (B)->capacity || luaL_prepbuffsize((B), 1)), \
+   ((B)->ptr[(B)->nelems++] = (c)))
+
+#undef luaL_addsize
+#define luaL_addsize(B, s) \
+  ((B)->nelems += (s))
+
+#undef luaL_addstring
+#define luaL_addstring(B, s) \
+  luaL_addlstring((B), (s), strlen((s)))
+
+#undef luaL_pushresultsize
+#define luaL_pushresultsize(B, s) \
+  (luaL_addsize((B), (s)), luaL_pushresult((B)))
+
+#if defined(LUA_COMPAT_APIINTCASTS)
+#define lua_pushunsigned(L, n) \
+  lua_pushinteger((L), (lua_Integer)(n))
+#define lua_tounsignedx(L, i, is) \
+  ((lua_Unsigned)lua_tointegerx((L), (i), (is)))
+#define lua_tounsigned(L, i) \
+  lua_tounsignedx((L), (i), NULL)
+#define luaL_checkunsigned(L, a) \
+  ((lua_Unsigned)luaL_checkinteger((L), (a)))
+#define luaL_optunsigned(L, a, d) \
+  ((lua_Unsigned)luaL_optinteger((L), (a), (lua_Integer)(d)))
+#endif
+
+#endif /* Lua 5.1 only */
+
+
+
+/* declarations for Lua 5.1 and 5.2 */
+#if defined(LUA_VERSION_NUM) && LUA_VERSION_NUM <= 502
+
+typedef int lua_KContext;
+
+typedef int(*lua_KFunction)(lua_State *L, int status, lua_KContext ctx);
+
+#define lua_dump(L, w, d, s) \
+  ((void)(s), lua_dump((L), (w), (d)))
+
+#define lua_getfield(L, i, k) \
+  (lua_getfield((L), (i), (k)), lua_type((L), -1))
+
+#define lua_gettable(L, i) \
+  (lua_gettable((L), (i)), lua_type((L), -1))
+
+#define lua_geti COMPAT53_CONCAT(COMPAT53_PREFIX, _geti)
+COMPAT53_API int lua_geti(lua_State *L, int index, lua_Integer i);
+
+#define lua_isinteger COMPAT53_CONCAT(COMPAT53_PREFIX, _isinteger)
+COMPAT53_API int lua_isinteger(lua_State *L, int index);
+
+#define lua_tointegerx COMPAT53_CONCAT(COMPAT53_PREFIX, _tointegerx_53)
+COMPAT53_API lua_Integer lua_tointegerx(lua_State *L, int i, int *isnum);
+
+#define lua_numbertointeger(n, p) \
+  ((*(p) = (lua_Integer)(n)), 1)
+
+#define lua_rawget(L, i) \
+  (lua_rawget((L), (i)), lua_type((L), -1))
+
+#define lua_rawgeti(L, i, n) \
+  (lua_rawgeti((L), (i), (n)), lua_type((L), -1))
+
+#define lua_rotate COMPAT53_CONCAT(COMPAT53_PREFIX, _rotate)
+COMPAT53_API void lua_rotate(lua_State *L, int idx, int n);
+
+#define lua_seti COMPAT53_CONCAT(COMPAT53_PREFIX, _seti)
+COMPAT53_API void lua_seti(lua_State *L, int index, lua_Integer i);
+
+#define lua_stringtonumber COMPAT53_CONCAT(COMPAT53_PREFIX, _stringtonumber)
+COMPAT53_API size_t lua_stringtonumber(lua_State *L, const char *s);
+
+#define luaL_tolstring COMPAT53_CONCAT(COMPAT53_PREFIX, L_tolstring)
+COMPAT53_API const char *luaL_tolstring(lua_State *L, int idx, size_t *len);
+
+#define luaL_getmetafield(L, o, e) \
+  (luaL_getmetafield((L), (o), (e)) ? lua_type((L), -1) : LUA_TNIL)
+
+#define luaL_newmetatable(L, tn) \
+  (luaL_newmetatable((L), (tn)) ? (lua_pushstring((L), (tn)), lua_setfield((L), -2, "__name"), 1) : 0)
+
+#define luaL_requiref COMPAT53_CONCAT(COMPAT53_PREFIX, L_requiref_53)
+COMPAT53_API void luaL_requiref(lua_State *L, const char *modname,
+	lua_CFunction openf, int glb);
+
+#endif /* Lua 5.1 and Lua 5.2 */
+
+
+
+/* declarations for Lua 5.2 */
+#if defined(LUA_VERSION_NUM) && LUA_VERSION_NUM == 502
+
+/* XXX not implemented:
+* lua_isyieldable
+* lua_getextraspace
+* lua_arith (new operators)
+* lua_pushfstring (new formats)
+*/
+
+#define lua_getglobal(L, n) \
+  (lua_getglobal((L), (n)), lua_type((L), -1))
+
+#define lua_getuservalue(L, i) \
+  (lua_getuservalue((L), (i)), lua_type((L), -1))
+
+#define lua_pushlstring(L, s, len) \
+  (((len) == 0) ? lua_pushlstring((L), "", 0) : lua_pushlstring((L), (s), (len)))
+
+#define lua_rawgetp(L, i, p) \
+  (lua_rawgetp((L), (i), (p)), lua_type((L), -1))
+
+#define LUA_KFUNCTION(_name) \
+  static int (_name)(lua_State *L, int status, lua_KContext ctx); \
+  static int (_name ## _52)(lua_State *L) { \
+    lua_KContext ctx; \
+    int status = lua_getctx(L, &ctx); \
+    return (_name)(L, status, ctx); \
+  } \
+  static int (_name)(lua_State *L, int status, lua_KContext ctx)
+
+#define lua_pcallk(L, na, nr, err, ctx, cont) \
+  lua_pcallk((L), (na), (nr), (err), (ctx), cont ## _52)
+
+#define lua_callk(L, na, nr, ctx, cont) \
+  lua_callk((L), (na), (nr), (ctx), cont ## _52)
+
+#define lua_yieldk(L, nr, ctx, cont) \
+  lua_yieldk((L), (nr), (ctx), cont ## _52)
+
+#ifdef lua_call
+#  undef lua_call
+#  define lua_call(L, na, nr) \
+  (lua_callk)((L), (na), (nr), 0, NULL)
+#endif
+
+#ifdef lua_pcall
+#  undef lua_pcall
+#  define lua_pcall(L, na, nr, err) \
+  (lua_pcallk)((L), (na), (nr), (err), 0, NULL)
+#endif
+
+#ifdef lua_yield
+#  undef lua_yield
+#  define lua_yield(L, nr) \
+  (lua_yieldk)((L), (nr), 0, NULL)
+#endif
+
+#endif /* Lua 5.2 only */
+
+
+
+/* other Lua versions */
+#if !defined(LUA_VERSION_NUM) || LUA_VERSION_NUM < 501 || LUA_VERSION_NUM > 504
+
+#  error "unsupported Lua version (i.e. not Lua 5.1, 5.2, 5.3, or 5.4)"
+
+#endif /* other Lua versions except 5.1, 5.2, 5.3, and 5.4 */
+
+
+
+/* helper macro for defining continuation functions (for every version
+* *except* Lua 5.2) */
+#ifndef LUA_KFUNCTION
+#define LUA_KFUNCTION(_name) \
+  static int (_name)(lua_State *L, int status, lua_KContext ctx)
+#endif
+
+
+#if defined(COMPAT53_INCLUDE_SOURCE) && COMPAT53_INCLUDE_SOURCE == 1
+#  include "compat-5.3.c.h"
+#endif
+
+
+#endif /* KEPLER_PROJECT_COMPAT53_H_ */
+
diff --git a/extern/sol3/sol/compatibility/compat-5.4.h b/extern/sol3/sol/compatibility/compat-5.4.h
index a1ccc2ad5f..ae747c6468 100644
--- a/extern/sol3/sol/compatibility/compat-5.4.h
+++ b/extern/sol3/sol/compatibility/compat-5.4.h
@@ -1,25 +1,31 @@
-#ifndef NOT_KEPLER_PROJECT_COMPAT54_H_
-#define NOT_KEPLER_PROJECT_COMPAT54_H_
-
-#if defined(__cplusplus) && !defined(COMPAT53_LUA_CPP)
-extern "C" {
-#endif
-#include <lua.h>
-#include <lauxlib.h>
-#include <lualib.h>
-#if defined(__cplusplus) && !defined(COMPAT53_LUA_CPP)
-}
-#endif
-
-#if defined(LUA_VERSION_NUM) && LUA_VERSION_NUM == 504
-
-#if !defined(LUA_ERRGCMM)
-/* So Lua 5.4 actually removes this, which breaks sol2...
- man, this API is quite unstable...!
-*/
-#  define LUA_ERRGCMM (LUA_ERRERR + 2)
-#endif /* LUA_ERRGCMM define */
-
-#endif // Lua 5.4 only
-
+#ifndef NOT_KEPLER_PROJECT_COMPAT54_H_
+#define NOT_KEPLER_PROJECT_COMPAT54_H_
+
+#if defined(__cplusplus) && !defined(COMPAT53_LUA_CPP)
+extern "C" {
+#endif
+#if __has_include(<lua/lua.h>)
+  #include <lua/lua.h>
+  #include <lua/lauxlib.h>
+  #include <lua/lualib.h>
+#else
+  #include <lua.h>
+  #include <lauxlib.h>
+  #include <lualib.h>
+#endif
+#if defined(__cplusplus) && !defined(COMPAT53_LUA_CPP)
+}
+#endif
+
+#if defined(LUA_VERSION_NUM) && LUA_VERSION_NUM == 504
+
+#if !defined(LUA_ERRGCMM)
+/* So Lua 5.4 actually removes this, which breaks sol2...
+ man, this API is quite unstable...!
+*/
+#  define LUA_ERRGCMM (LUA_ERRERR + 2)
+#endif /* LUA_ERRGCMM define */
+
+#endif // Lua 5.4 only
+
 #endif // NOT_KEPLER_PROJECT_COMPAT54_H_
\ No newline at end of file
diff --git a/extern/sol3/sol/compatibility/lua_version.hpp b/extern/sol3/sol/compatibility/lua_version.hpp
index 2101160003..6d0cfc09cc 100644
--- a/extern/sol3/sol/compatibility/lua_version.hpp
+++ b/extern/sol3/sol/compatibility/lua_version.hpp
@@ -2,7 +2,7 @@
 
 // The MIT License (MIT)
 
-// Copyright (c) 2013-2021 Rapptz, ThePhD and contributors
+// Copyright (c) 2013-2022 Rapptz, ThePhD and contributors
 
 // Permission is hereby granted, free of charge, to any person obtaining a copy of
 // this software and associated documentation files (the "Software"), to deal in
@@ -21,24 +21,40 @@
 // IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
 // CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
 
-#ifndef SOL_COMPATIBILITY_VERSION_HPP
-#define SOL_COMPATIBILITY_VERSION_HPP
+#ifndef SOL_COMPATIBILITY_LUA_VERSION_HPP
+#define SOL_COMPATIBILITY_LUA_VERSION_HPP
 
 #include <sol/version.hpp>
 
 // clang-format off
 
-#if SOL_IS_ON(SOL_USE_CXX_LUA_I_)
-	#include <lua.h>
-	#include <lualib.h>
-	#include <lauxlib.h>
-#elif SOL_IS_ON(SOL_USE_LUA_HPP_I_)
-	#include <lua.hpp>
-#else
-	extern "C" {
+#if SOL_IS_ON(SOL_USING_CXX_LUA)
+	#if __has_include(<lua/lua.h>)
+		#include <lua/lua.h>
+		#include <lua/lauxlib.h>
+		#include <lua/lualib.h>
+	#else
 		#include <lua.h>
 		#include <lauxlib.h>
 		#include <lualib.h>
+	#endif
+#elif SOL_IS_ON(SOL_USE_LUA_HPP)
+	#if __has_include(<lua/lua.hpp>)
+		#include <lua/lua.hpp>
+	#else
+		#include <lua.hpp>
+	#endif
+#else
+	extern "C" {
+		#if __has_include(<lua/lua.h>)
+			#include <lua/lua.h>
+			#include <lua/lauxlib.h>
+			#include <lua/lualib.h>
+		#else
+			#include <lua.h>
+			#include <lauxlib.h>
+			#include <lualib.h>
+		#endif
 	}
 #endif // C++ Mangling for Lua vs. Not
 
@@ -50,13 +66,15 @@
 	#endif
 #elif defined(LUAJIT_VERSION)
 	#define SOL_USE_LUAJIT_I_ SOL_ON
+#elif SOL_IS_ON(SOL_USING_CXX_LUAJIT)
+	#define SOL_USE_LUAJIT_I_ SOL_ON
 #else
 	#define SOL_USE_LUAJIT_I_ SOL_DEFAULT_OFF
 #endif // luajit
 
-#if SOL_IS_ON(SOL_USE_CXX_LUAJIT_I_)
+#if SOL_IS_ON(SOL_USING_CXX_LUAJIT)
 	#include <luajit.h>
-#elif SOL_IS_ON(SOL_USE_LUAJIT_I_)
+#elif SOL_IS_ON(SOL_USE_LUAJIT)
 	extern "C" {
 		#include <luajit.h>
 	}
@@ -64,7 +82,7 @@
 
 #if defined(SOL_LUAJIT_VERSION)
 	#define SOL_LUAJIT_VERSION_I_ SOL_LUAJIT_VERSION
-#elif SOL_IS_ON(SOL_USE_LUAJIT_I_)
+#elif SOL_IS_ON(SOL_USE_LUAJIT)
 	#define SOL_LUAJIT_VERSION_I_ LUAJIT_VERSION_NUM
 #else
 	#define SOL_LUAJIT_VERSION_I_ 0
@@ -118,21 +136,25 @@
 	#else
 		#define SOL_PROPAGATE_EXCEPTIONS_I_ SOL_OFF
 	#endif
-#elif SOL_LUAJIT_VERSION_I_ >= 20100
-	// LuaJIT 2.1.0-beta3 and better have exception support locked in for all platforms (mostly)
-	#define SOL_PROPAGATE_EXCEPTIONS_I_ SOL_DEFAULT_ON
-#elif SOL_LUAJIT_VERSION_I_ >= 20000
-	// LuaJIT 2.0.x have exception support only on x64 builds
-	#if SOL_IS_ON(SOL_PLATFORM_X64_I_)
-		#define SOL_PROPAGATE_EXCEPTIONS_I_ SOL_DEFAULT_ON
-	#else
-		#define SOL_PROPAGATE_EXCEPTIONS_I_ SOL_OFF
-	#endif
 #else
-	// otherwise, there is no exception safety for
-	// shoving exceptions through Lua and errors should
-	// always be serialized
-	#define SOL_PROPAGATE_EXCEPTIONS_I_ SOL_DEFAULT_OFF
+	#if SOL_IS_ON(SOL_USE_LUAJIT)
+		#if SOL_USE(SOL_LUAJIT_VERSION) >= 20100
+			// LuaJIT 2.1.0-beta3 and better have exception support locked in for all platforms (mostly)
+			#define SOL_PROPAGATE_EXCEPTIONS_I_ SOL_DEFAULT_ON
+		#elif SOL_USE(SOL_LUAJIT_VERSION) >= 20000
+			// LuaJIT 2.0.x have exception support only on x64 builds
+			#if SOL_IS_ON(SOL_PLATFORM_X64)
+				#define SOL_PROPAGATE_EXCEPTIONS_I_ SOL_DEFAULT_ON
+			#else
+				#define SOL_PROPAGATE_EXCEPTIONS_I_ SOL_DEFAULT_OFF
+			#endif
+		#endif
+	#else
+		// otherwise, there is no exception safety for
+		// shoving exceptions through Lua and errors should
+		// always be serialized
+		#define SOL_PROPAGATE_EXCEPTIONS_I_ SOL_DEFAULT_OFF
+	#endif
 #endif
 
 // Some configurations work with exceptions,
@@ -144,13 +166,14 @@
 		#define SOL_EXCEPTIONS_CATCH_ALL_I_ SOL_OFF
 	#endif
 #else
-	#if SOL_IS_ON(SOL_USE_LUAJIT_I_)
+	#if SOL_IS_ON(SOL_USE_LUAJIT) || SOL_IS_ON(SOL_USING_CXX_LUAJIT)
 		#define SOL_EXCEPTIONS_CATCH_ALL_I_ SOL_DEFAULT_OFF
-	#elif SOL_IS_ON(SOL_USE_CXX_LUAJIT_I_)
-		#define SOL_EXCEPTIONS_CATCH_ALL_I_ SOL_DEFAULT_OFF
-	#elif SOL_IS_ON(SOL_USE_CXX_LUA_I_)
+	#elif SOL_IS_ON(SOL_USING_CXX_LUA)
+		// C++ builds of Lua will throw an exception to implement its `yield` behavior;
+		// it is irresponsible to "catch all" on this setting.
 		#define SOL_EXCEPTIONS_CATCH_ALL_I_ SOL_DEFAULT_OFF
 	#else
+		// Otherwise, by default, everyhting should be caught.
 		#define SOL_EXCEPTIONS_CATCH_ALL_I_ SOL_DEFAULT_ON
 	#endif
 #endif
@@ -162,7 +185,7 @@
 		#define SOL_USE_LUAJIT_EXCEPTION_TRAMPOLINE_I_ SOL_OFF
 	#endif
 #else
-	#if SOL_IS_OFF(SOL_PROPAGATE_EXCEPTIONS_I_) && SOL_IS_ON(SOL_USE_LUAJIT_I_)
+	#if SOL_IS_OFF(SOL_PROPAGATE_EXCEPTIONS) && SOL_IS_ON(SOL_USE_LUAJIT)
 		#define SOL_USE_LUAJIT_EXCEPTION_TRAMPOLINE_I_ SOL_ON
 	#else
 		#define SOL_USE_LUAJIT_EXCEPTION_TRAMPOLINE_I_ SOL_DEFAULT_OFF
@@ -176,7 +199,7 @@
 		#define SOL_LUAL_STREAM_USE_CLOSE_FUNCTION_I_ SOL_OFF
 	#endif
 #else
-	#if SOL_IS_OFF(SOL_USE_LUAJIT_I_) && (SOL_LUA_VERSION > 501)
+	#if SOL_IS_OFF(SOL_USE_LUAJIT) && (SOL_LUA_VERSION > 501)
 		#define SOL_LUAL_STREAM_USE_CLOSE_FUNCTION_I_ SOL_ON
 	#else
 		#define SOL_LUAL_STREAM_USE_CLOSE_FUNCTION_I_ SOL_DEFAULT_OFF
@@ -192,7 +215,11 @@
 #else
 	// Lua 5.2 only (deprecated in 5.3 (503)) (Can be turned on with Compat flags)
 	// Lua 5.2, or other versions of Lua with the compat flag, or Lua that is not 5.2 with the specific define (5.4.1 either removed it entirely or broke it)
-	#if (SOL_LUA_VERSION_I_ == 502) || (defined(LUA_COMPAT_BITLIB) && (LUA_COMPAT_BITLIB != 0)) || (SOL_LUA_VERSION_I_ < 504 && (defined(LUA_COMPAT_5_2) && (LUA_COMPAT_5_2 != 0)))
+	#if (SOL_LUA_VERSION_I_ == 502)
+		#define SOL_LUA_BIT32_LIB_I_ SOL_ON
+	#elif defined(LUA_COMPAT_BITLIB)
+		#define SOL_LUA_BIT32_LIB_I_ SOL_ON
+	#elif (SOL_LUA_VERSION_I_ < 504 && defined(LUA_COMPAT_5_2))
 		#define SOL_LUA_BIT32_LIB_I_ SOL_ON
 	#else
 		#define SOL_LUA_BIT32_LIB_I_ SOL_DEFAULT_OFF
@@ -215,4 +242,4 @@
 
 // clang-format on
 
-#endif // SOL_COMPATIBILITY_VERSION_HPP
+#endif // SOL_COMPATIBILITY_LUA_VERSION_HPP
diff --git a/extern/sol3/sol/config.hpp b/extern/sol3/sol/config.hpp
new file mode 100644
index 0000000000..e341ba1953
--- /dev/null
+++ b/extern/sol3/sol/config.hpp
@@ -0,0 +1,50 @@
+// sol2
+
+// The MIT License (MIT)
+
+// Copyright (c) 2013-2022 Rapptz, ThePhD and contributors
+
+// Permission is hereby granted, free of charge, to any person obtaining a copy of
+// this software and associated documentation files (the "Software"), to deal in
+// the Software without restriction, including without limitation the rights to
+// use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of
+// the Software, and to permit persons to whom the Software is furnished to do so,
+// subject to the following conditions:
+
+// The above copyright notice and this permission notice shall be included in all
+// copies or substantial portions of the Software.
+
+// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS
+// FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR
+// COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER
+// IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
+// CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+
+#ifndef SOL_CONFIG_HPP
+#define SOL_CONFIG_HPP
+
+/* Base, empty configuration file!
+
+     To override, place a file in your include paths of the form:
+
+
+. (your include path here)
+| sol (directory, or equivalent)
+  | config.hpp (your config.hpp file)
+
+
+     So that when sol2 includes the file
+
+
+#include <sol/config.hpp>
+
+
+     it gives you the configuration values you desire. Configuration values can be
+seen in the safety.rst of the doc/src, or at
+https://sol2.readthedocs.io/en/latest/safety.html ! You can also pass them through
+the build system, or the command line options of your compiler.
+
+*/
+
+#endif // SOL_CONFIG_HPP
diff --git a/extern/sol3/sol/coroutine.hpp b/extern/sol3/sol/coroutine.hpp
index e4b9d81413..1698eb9139 100644
--- a/extern/sol3/sol/coroutine.hpp
+++ b/extern/sol3/sol/coroutine.hpp
@@ -2,7 +2,7 @@
 
 // The MIT License (MIT)
 
-// Copyright (c) 2013-2021 Rapptz, ThePhD and contributors
+// Copyright (c) 2013-2022 Rapptz, ThePhD and contributors
 
 // Permission is hereby granted, free of charge, to any person obtaining a copy of
 // this software and associated documentation files (the "Software"), to deal in
@@ -94,7 +94,7 @@ namespace sol {
 		          meta::neg<std::is_same<lua_nil_t, meta::unqualified_t<T>>>, is_lua_reference<meta::unqualified_t<T>>> = meta::enabler>
 		basic_coroutine(T&& r) noexcept
 		: base_t(std::forward<T>(r)), m_error_handler(detail::get_default_handler<reference, is_main_threaded<base_t>::value>(r.lua_state())) {
-#if SOL_IS_ON(SOL_SAFE_REFERENCES_I_)
+#if SOL_IS_ON(SOL_SAFE_REFERENCES)
 			if (!is_function<meta::unqualified_t<T>>::value) {
 				auto pp = stack::push_pop(*this);
 				constructor_handler handler {};
@@ -157,7 +157,7 @@ namespace sol {
 		}
 		template <typename T, meta::enable<is_lua_reference<meta::unqualified_t<T>>> = meta::enabler>
 		basic_coroutine(lua_State* L, T&& r, handler_t eh) : base_t(L, std::forward<T>(r)), m_error_handler(std::move(eh)) {
-#if SOL_IS_ON(SOL_SAFE_REFERENCES_I_)
+#if SOL_IS_ON(SOL_SAFE_REFERENCES)
 			auto pp = stack::push_pop(*this);
 			constructor_handler handler {};
 			stack::check<basic_coroutine>(lua_state(), -1, handler);
@@ -180,7 +180,7 @@ namespace sol {
 		: basic_coroutine(L, index, detail::get_default_handler<reference, is_main_threaded<base_t>::value>(L)) {
 		}
 		basic_coroutine(lua_State* L, absolute_index index, handler_t eh) : base_t(L, index), m_error_handler(std::move(eh)) {
-#if SOL_IS_ON(SOL_SAFE_REFERENCES_I_)
+#if SOL_IS_ON(SOL_SAFE_REFERENCES)
 			constructor_handler handler {};
 			stack::check<basic_coroutine>(L, index, handler);
 #endif // Safety
@@ -189,7 +189,7 @@ namespace sol {
 		: basic_coroutine(L, index, detail::get_default_handler<reference, is_main_threaded<base_t>::value>(L)) {
 		}
 		basic_coroutine(lua_State* L, raw_index index, handler_t eh) : base_t(L, index), m_error_handler(std::move(eh)) {
-#if SOL_IS_ON(SOL_SAFE_REFERENCES_I_)
+#if SOL_IS_ON(SOL_SAFE_REFERENCES)
 			constructor_handler handler {};
 			stack::check<basic_coroutine>(L, index, handler);
 #endif // Safety
@@ -198,7 +198,7 @@ namespace sol {
 		: basic_coroutine(L, index, detail::get_default_handler<reference, is_main_threaded<base_t>::value>(L)) {
 		}
 		basic_coroutine(lua_State* L, ref_index index, handler_t eh) : base_t(L, index), m_error_handler(std::move(eh)) {
-#if SOL_IS_ON(SOL_SAFE_REFERENCES_I_)
+#if SOL_IS_ON(SOL_SAFE_REFERENCES)
 			auto pp = stack::push_pop(*this);
 			constructor_handler handler {};
 			stack::check<basic_coroutine>(lua_state(), -1, handler);
diff --git a/extern/sol3/sol/debug.hpp b/extern/sol3/sol/debug.hpp
index 32f32e20ab..eb84647b8b 100644
--- a/extern/sol3/sol/debug.hpp
+++ b/extern/sol3/sol/debug.hpp
@@ -1,52 +1,63 @@
-// sol2
-
-// The MIT License (MIT)
-
-// Copyright (c) 2013-2021 Rapptz, ThePhD and contributors
-
-// Permission is hereby granted, free of charge, to any person obtaining a copy of
-// this software and associated documentation files (the "Software"), to deal in
-// the Software without restriction, including without limitation the rights to
-// use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of
-// the Software, and to permit persons to whom the Software is furnished to do so,
-// subject to the following conditions:
-
-// The above copyright notice and this permission notice shall be included in all
-// copies or substantial portions of the Software.
-
-// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
-// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS
-// FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR
-// COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER
-// IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
-// CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
-
-#ifndef SOL_DEBUG_HPP
-#define SOL_DEBUG_HPP
-
-#include <sol/stack.hpp>
-#include <iostream>
-
-namespace sol { namespace detail { namespace debug {
-	inline std::string dump_types(lua_State* L) {
-		std::string visual;
-		std::size_t size = lua_gettop(L) + 1;
-		for (std::size_t i = 1; i < size; ++i) {
-			if (i != 1) {
-				visual += " | ";
-			}
-			visual += type_name(L, stack::get<type>(L, static_cast<int>(i)));
-		}
-		return visual;
-	}
-
-	inline void print_stack(lua_State* L) {
-		std::cout << dump_types(L) << std::endl;
-	}
-
-	inline void print_section(const std::string& message, lua_State* L) {
-		std::cout << "-- " << message << " -- [ " << dump_types(L) << " ]" << std::endl;
-	}
-}}} // namespace sol::detail::debug
-
-#endif // SOL_DEBUG_HPP
+// sol2
+
+// The MIT License (MIT)
+
+// Copyright (c) 2013-2022 Rapptz, ThePhD and contributors
+
+// Permission is hereby granted, free of charge, to any person obtaining a copy of
+// this software and associated documentation files (the "Software"), to deal in
+// the Software without restriction, including without limitation the rights to
+// use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of
+// the Software, and to permit persons to whom the Software is furnished to do so,
+// subject to the following conditions:
+
+// The above copyright notice and this permission notice shall be included in all
+// copies or substantial portions of the Software.
+
+// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS
+// FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR
+// COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER
+// IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
+// CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+
+#ifndef SOL_DEBUG_HPP
+#define SOL_DEBUG_HPP
+
+#include <sol/stack.hpp>
+#include <iostream>
+
+namespace sol { namespace detail { namespace debug {
+	inline std::string dump_types(lua_State* L) {
+		std::string visual;
+		std::size_t size = lua_gettop(L) + 1;
+		for (std::size_t i = 1; i < size; ++i) {
+			if (i != 1) {
+				visual += " | ";
+			}
+			visual += type_name(L, stack::get<type>(L, static_cast<int>(i)));
+		}
+		return visual;
+	}
+
+	inline void print_stack(lua_State* L) {
+		std::cout << dump_types(L) << std::endl;
+	}
+
+	inline void print_section(const std::string& message, lua_State* L) {
+		std::cout << "-- " << message << " -- [ " << dump_types(L) << " ]" << std::endl;
+	}
+
+	inline void print_lua_information(lua_State* L) {
+		std::cout << "Lua Version: " << SOL_USE(SOL_LUA_VERSION) << std::endl;
+		std::cout << "Lua (C++): " << SOL_IS_ON(SOL_USING_CXX_LUA) << std::endl;
+		std::cout << "Trampoline Propagate Exceptions?: " << SOL_IS_ON(SOL_PROPAGATE_EXCEPTIONS) << std::endl;
+		std::cout << "Catch-all Exceptions?: " << SOL_IS_ON(SOL_EXCEPTIONS_CATCH_ALL) << std::endl;
+		std::cout << "LuaJIT: " << SOL_IS_ON(SOL_USE_LUAJIT) << std::endl;
+		std::cout << "LuaJIT Version: " << SOL_USE(SOL_LUAJIT_VERSION) << std::endl;
+		std::cout << "LuaJIT (C++): " << SOL_IS_ON(SOL_USING_CXX_LUAJIT) << std::endl;
+		std::cout << "LuaJIT Exception Trampoline: " << SOL_IS_ON(SOL_USE_LUAJIT_EXCEPTION_TRAMPOLINE) << std::endl;
+	}
+}}} // namespace sol::detail::debug
+
+#endif // SOL_DEBUG_HPP
diff --git a/extern/sol3/sol/demangle.hpp b/extern/sol3/sol/demangle.hpp
index 8c7c5ea2bf..f1bb665c09 100644
--- a/extern/sol3/sol/demangle.hpp
+++ b/extern/sol3/sol/demangle.hpp
@@ -2,7 +2,7 @@
 
 // The MIT License (MIT)
 
-// Copyright (c) 2013-2021 Rapptz, ThePhD and contributors
+// Copyright (c) 2013-2022 Rapptz, ThePhD and contributors
 
 // Permission is hereby granted, free of charge, to any person obtaining a copy of
 // this software and associated documentation files (the "Software"), to deal in
@@ -28,7 +28,7 @@
 #include <string>
 #include <array>
 #include <cctype>
-#if SOL_IS_ON(SOL_MINGW_CCTYPE_IS_POISONED_I_)
+#if SOL_IS_ON(SOL_MINGW_CCTYPE_IS_POISONED)
 extern "C" {
 #include <ctype.h>
 }
@@ -47,7 +47,7 @@ namespace sol { namespace detail {
 		"`anonymous namespace'" } };
 
 
-#if SOL_IS_ON(SOL_COMPILER_GCC_I_) || SOL_IS_ON(SOL_COMPILER_CLANG_I_)
+#if SOL_IS_ON(SOL_COMPILER_GCC) || SOL_IS_ON(SOL_COMPILER_CLANG)
 	inline std::string ctti_get_type_name_from_sig(std::string name) {
 		// cardinal sins from MINGW
 		using namespace std;
@@ -85,7 +85,7 @@ namespace sol { namespace detail {
 	inline std::string ctti_get_type_name() {
 		return ctti_get_type_name_from_sig(__PRETTY_FUNCTION__);
 	}
-#elif SOL_IS_ON(SOL_COMPILER_VCXX_I_)
+#elif SOL_IS_ON(SOL_COMPILER_VCXX)
 	inline std::string ctti_get_type_name_from_sig(std::string name) {
 		std::size_t start = name.find("get_type_name");
 		if (start == std::string::npos)
diff --git a/extern/sol3/sol/deprecate.hpp b/extern/sol3/sol/deprecate.hpp
index 4d1389c8d4..700f053167 100644
--- a/extern/sol3/sol/deprecate.hpp
+++ b/extern/sol3/sol/deprecate.hpp
@@ -1,44 +1,44 @@
-// sol2
-
-// The MIT License (MIT)
-
-// Copyright (c) 2013-2021 Rapptz, ThePhD and contributors
-
-// Permission is hereby granted, free of charge, to any person obtaining a copy of
-// this software and associated documentation files (the "Software"), to deal in
-// the Software without restriction, including without limitation the rights to
-// use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of
-// the Software, and to permit persons to whom the Software is furnished to do so,
-// subject to the following conditions:
-
-// The above copyright notice and this permission notice shall be included in all
-// copies or substantial portions of the Software.
-
-// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
-// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS
-// FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR
-// COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER
-// IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
-// CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
-
-#ifndef SOL_DEPRECATE_HPP
-#define SOL_DEPRECATE_HPP
-
-#ifndef SOL_DEPRECATED
-#ifdef _MSC_VER
-#define SOL_DEPRECATED __declspec(deprecated)
-#elif __GNUC__
-#define SOL_DEPRECATED __attribute__((deprecated))
-#else
-#define SOL_DEPRECATED [[deprecated]]
-#endif // compilers
-#endif // SOL_DEPRECATED
-
-namespace sol { namespace detail {
-	template <typename T>
-	struct SOL_DEPRECATED deprecate_type {
-		using type = T;
-	};
-}} // namespace sol::detail
-
-#endif // SOL_DEPRECATE_HPP
+// sol2
+
+// The MIT License (MIT)
+
+// Copyright (c) 2013-2022 Rapptz, ThePhD and contributors
+
+// Permission is hereby granted, free of charge, to any person obtaining a copy of
+// this software and associated documentation files (the "Software"), to deal in
+// the Software without restriction, including without limitation the rights to
+// use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of
+// the Software, and to permit persons to whom the Software is furnished to do so,
+// subject to the following conditions:
+
+// The above copyright notice and this permission notice shall be included in all
+// copies or substantial portions of the Software.
+
+// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS
+// FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR
+// COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER
+// IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
+// CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+
+#ifndef SOL_DEPRECATE_HPP
+#define SOL_DEPRECATE_HPP
+
+#ifndef SOL_DEPRECATED
+#ifdef _MSC_VER
+#define SOL_DEPRECATED __declspec(deprecated)
+#elif __GNUC__
+#define SOL_DEPRECATED __attribute__((deprecated))
+#else
+#define SOL_DEPRECATED [[deprecated]]
+#endif // compilers
+#endif // SOL_DEPRECATED
+
+namespace sol { namespace detail {
+	template <typename T>
+	struct SOL_DEPRECATED deprecate_type {
+		using type = T;
+	};
+}} // namespace sol::detail
+
+#endif // SOL_DEPRECATE_HPP
diff --git a/extern/sol3/sol/detail/build_version.hpp b/extern/sol3/sol/detail/build_version.hpp
index 1dcf6e5efb..3f9c6931fb 100644
--- a/extern/sol3/sol/detail/build_version.hpp
+++ b/extern/sol3/sol/detail/build_version.hpp
@@ -1,232 +1,232 @@
-// sol2
-
-// The MIT License (MIT)
-
-// Copyright (c) 2013-2021 Rapptz, ThePhD and contributors
-
-// Permission is hereby granted, free of charge, to any person obtaining a copy of
-// this software and associated documentation files (the "Software"), to deal in
-// the Software without restriction, including without limitation the rights to
-// use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of
-// the Software, and to permit persons to whom the Software is furnished to do so,
-// subject to the following conditions:
-
-// The above copyright notice and this permission notice shall be included in all
-// copies or substantial portions of the Software.
-
-// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
-// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS
-// FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR
-// COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER
-// IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
-// CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
-
-#pragma once
-
-#ifndef SOL_DETAIL_BUILD_VERSION_HPP
-#define SOL_DETAIL_BUILD_VERSION_HPP
-
-#include <sol/version.hpp>
-
-// clang-format off
-
-#if defined(SOL_DLL)
-	#if (SOL_DLL != 0)
-		#define SOL_DLL_I_ SOL_ON
-	#else
-		#define SOL_DLL_I_ SOL_OFF
-	#endif
-#elif SOL_IS_ON(SOL_COMPILER_VCXX_I_) && (defined(DLL_) || defined(_DLL))
-	#define SOL_DLL_I_ SOL_DEFAULT_ON
-#else
-	#define SOL_DLL_I_ SOL_DEFAULT_OFF
-#endif // DLL definition
-
-#if defined(SOL_HEADER_ONLY)
-	#if (SOL_HEADER_ONLY != 0)
-		#define SOL_HEADER_ONLY_I_ SOL_ON
-	#else
-		#define SOL_HEADER_ONLY_I_ SOL_OFF
-	#endif
-#else
-	#define SOL_HEADER_ONLY_I_ SOL_DEFAULT_OFF
-#endif // Header only library
-
-#if defined(SOL_BUILD)
-	#if (SOL_BUILD != 0)
-		#define SOL_BUILD_I_ SOL_ON
-	#else
-		#define SOL_BUILD_I_ SOL_OFF
-	#endif
-#elif SOL_IS_ON(SOL_HEADER_ONLY_I_)
-	#define SOL_BUILD_I_ SOL_DEFAULT_OFF
-#else
-	#define SOL_BUILD_I_ SOL_DEFAULT_ON
-#endif
-
-#if defined(SOL_UNITY_BUILD)
-	#if (SOL_UNITY_BUILD != 0)
-		#define SOL_UNITY_BUILD_I_ SOL_ON
-	#else
-		#define SOL_UNITY_BUILD_I_ SOL_OFF
-	#endif
-#else
-	#define SOL_UNITY_BUILD_I_ SOL_DEFAULT_OFF
-#endif // Header only library
-
-#if defined(SOL_C_FUNCTION_LINKAGE)
-	#define SOL_C_FUNCTION_LINKAGE_I_ SOL_C_FUNCTION_LINKAGE
-#else
-	#if SOL_IS_ON(SOL_BUILD_CXX_MODE_I_)
-		// C++
-		#define SOL_C_FUNCTION_LINKAGE_I_ extern "C"
-	#else
-		// normal
-		#define SOL_C_FUNCTION_LINKAGE_I_
-	#endif // C++ or not
-#endif // Linkage specification for C functions
-
-#if defined(SOL_API_LINKAGE)
-	#define SOL_API_LINKAGE_I_ SOL_API_LINKAGE
-#else
-	#if SOL_IS_ON(SOL_DLL_I_)
-		#if SOL_IS_ON(SOL_COMPILER_VCXX_I_) || SOL_IS_ON(SOL_PLATFORM_WINDOWS_I_) || SOL_IS_ON(SOL_PLATFORM_CYGWIN_I_)
-			// MSVC Compiler; or, Windows, or Cygwin platforms
-			#if SOL_IS_ON(SOL_BUILD_I_)
-				// Building the library
-				#if SOL_IS_ON(SOL_COMPILER_GCC_I_)
-					// Using GCC
-					#define SOL_API_LINKAGE_I_ __attribute__((dllexport))
-				#else
-					// Using Clang, MSVC, etc...
-					#define SOL_API_LINKAGE_I_ __declspec(dllexport)
-				#endif
-			#else
-				#if SOL_IS_ON(SOL_COMPILER_GCC_I_)
-					#define SOL_API_LINKAGE_I_ __attribute__((dllimport))
-				#else
-					#define SOL_API_LINKAGE_I_ __declspec(dllimport)
-				#endif
-			#endif
-		#else
-			// extern if building normally on non-MSVC
-			#define SOL_API_LINKAGE_I_ extern
-		#endif
-	#elif SOL_IS_ON(SOL_UNITY_BUILD_I_)
-		// Built-in library, like how stb typical works
-		#if SOL_IS_ON(SOL_HEADER_ONLY_I_)
-			// Header only, so functions are defined "inline"
-			#define SOL_API_LINKAGE_I_ inline
-		#else
-			// Not header only, so seperately compiled files
-			#define SOL_API_LINKAGE_I_ extern
-		#endif
-	#else
-		// Normal static library
-		#if SOL_IS_ON(SOL_BUILD_CXX_MODE_I_)
-			#define SOL_API_LINKAGE_I_
-		#else
-			#define SOL_API_LINKAGE_I_ extern
-		#endif
-	#endif // DLL or not
-#endif // Build definitions
-
-#if defined(SOL_PUBLIC_FUNC_DECL)
-	#define SOL_PUBLIC_FUNC_DECL_I_ SOL_PUBLIC_FUNC_DECL
-#else
-	#define SOL_PUBLIC_FUNC_DECL_I_ SOL_API_LINKAGE_I_
-#endif
-
-#if defined(SOL_INTERNAL_FUNC_DECL_)
-	#define SOL_INTERNAL_FUNC_DECL_I_ SOL_INTERNAL_FUNC_DECL_
-#else
-	#define SOL_INTERNAL_FUNC_DECL_I_ SOL_API_LINKAGE_I_
-#endif
-
-#if defined(SOL_PUBLIC_FUNC_DEF)
-	#define SOL_PUBLIC_FUNC_DEF_I_ SOL_PUBLIC_FUNC_DEF
-#else
-	#define SOL_PUBLIC_FUNC_DEF_I_ SOL_API_LINKAGE_I_
-#endif
-
-#if defined(SOL_INTERNAL_FUNC_DEF)
-	#define SOL_INTERNAL_FUNC_DEF_I_ SOL_INTERNAL_FUNC_DEF
-#else
-	#define SOL_INTERNAL_FUNC_DEF_I_ SOL_API_LINKAGE_I_
-#endif
-
-#if defined(SOL_FUNC_DECL)
-	#define SOL_FUNC_DECL_I_ SOL_FUNC_DECL
-#elif SOL_IS_ON(SOL_HEADER_ONLY_I_)
-	#define SOL_FUNC_DECL_I_ 
-#elif SOL_IS_ON(SOL_DLL_I_)
-	#if SOL_IS_ON(SOL_COMPILER_VCXX_I_)
-		#if SOL_IS_ON(SOL_BUILD_I_)
-			#define SOL_FUNC_DECL_I_ extern __declspec(dllexport)
-		#else
-			#define SOL_FUNC_DECL_I_ extern __declspec(dllimport)
-		#endif
-	#elif SOL_IS_ON(SOL_COMPILER_GCC_I_) || SOL_IS_ON(SOL_COMPILER_CLANG_I_)
-		#define SOL_FUNC_DECL_I_ extern __attribute__((visibility("default")))
-	#else
-		#define SOL_FUNC_DECL_I_ extern
-	#endif
-#endif
-
-#if defined(SOL_FUNC_DEFN)
-	#define SOL_FUNC_DEFN_I_ SOL_FUNC_DEFN
-#elif SOL_IS_ON(SOL_HEADER_ONLY_I_)
-	#define SOL_FUNC_DEFN_I_ inline
-#elif SOL_IS_ON(SOL_DLL_I_)
-	#if SOL_IS_ON(SOL_COMPILER_VCXX_I_)
-		#if SOL_IS_ON(SOL_BUILD_I_)
-			#define SOL_FUNC_DEFN_I_ __declspec(dllexport)
-		#else
-			#define SOL_FUNC_DEFN_I_ __declspec(dllimport)
-		#endif
-	#elif SOL_IS_ON(SOL_COMPILER_GCC_I_) || SOL_IS_ON(SOL_COMPILER_CLANG_I_)
-		#define SOL_FUNC_DEFN_I_ __attribute__((visibility("default")))
-	#else
-		#define SOL_FUNC_DEFN_I_
-	#endif
-#endif
-
-#if defined(SOL_HIDDEN_FUNC_DECL)
-	#define SOL_HIDDEN_FUNC_DECL_I_ SOL_HIDDEN_FUNC_DECL
-#elif SOL_IS_ON(SOL_HEADER_ONLY_I_)
-	#define SOL_HIDDEN_FUNC_DECL_I_ 
-#elif SOL_IS_ON(SOL_DLL_I_)
-	#if SOL_IS_ON(SOL_COMPILER_VCXX_I_)
-		#if SOL_IS_ON(SOL_BUILD_I_)
-			#define SOL_HIDDEN_FUNC_DECL_I_ extern __declspec(dllexport)
-		#else
-			#define SOL_HIDDEN_FUNC_DECL_I_ extern __declspec(dllimport)
-		#endif
-	#elif SOL_IS_ON(SOL_COMPILER_GCC_I_) || SOL_IS_ON(SOL_COMPILER_CLANG_I_)
-		#define SOL_HIDDEN_FUNC_DECL_I_ extern __attribute__((visibility("default")))
-	#else
-		#define SOL_HIDDEN_FUNC_DECL_I_ extern
-	#endif
-#endif
-
-#if defined(SOL_HIDDEN_FUNC_DEFN)
-	#define SOL_HIDDEN_FUNC_DEFN_I_ SOL_HIDDEN_FUNC_DEFN
-#elif SOL_IS_ON(SOL_HEADER_ONLY_I_)
-	#define SOL_HIDDEN_FUNC_DEFN_I_ inline
-#elif SOL_IS_ON(SOL_DLL_I_)
-	#if SOL_IS_ON(SOL_COMPILER_VCXX_I_)
-		#if SOL_IS_ON(SOL_BUILD_I_)
-			#define SOL_HIDDEN_FUNC_DEFN_I_ 
-		#else
-			#define SOL_HIDDEN_FUNC_DEFN_I_ 
-		#endif
-	#elif SOL_IS_ON(SOL_COMPILER_GCC_I_) || SOL_IS_ON(SOL_COMPILER_CLANG_I_)
-		#define SOL_HIDDEN_FUNC_DEFN_I_ __attribute__((visibility("hidden")))
-	#else
-		#define SOL_HIDDEN_FUNC_DEFN_I_
-	#endif
-#endif
-
-// clang-format on 
-
-#endif // SOL_DETAIL_BUILD_VERSION_HPP
+// sol2
+
+// The MIT License (MIT)
+
+// Copyright (c) 2013-2022 Rapptz, ThePhD and contributors
+
+// Permission is hereby granted, free of charge, to any person obtaining a copy of
+// this software and associated documentation files (the "Software"), to deal in
+// the Software without restriction, including without limitation the rights to
+// use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of
+// the Software, and to permit persons to whom the Software is furnished to do so,
+// subject to the following conditions:
+
+// The above copyright notice and this permission notice shall be included in all
+// copies or substantial portions of the Software.
+
+// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS
+// FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR
+// COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER
+// IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
+// CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+
+#pragma once
+
+#ifndef SOL_DETAIL_BUILD_VERSION_HPP
+#define SOL_DETAIL_BUILD_VERSION_HPP
+
+#include <sol/version.hpp>
+
+// clang-format off
+
+#if defined(SOL_DLL)
+	#if (SOL_DLL != 0)
+		#define SOL_DLL_I_ SOL_ON
+	#else
+		#define SOL_DLL_I_ SOL_OFF
+	#endif
+#elif SOL_IS_ON(SOL_COMPILER_VCXX) && (defined(DLL_) || defined(_DLL))
+	#define SOL_DLL_I_ SOL_DEFAULT_ON
+#else
+	#define SOL_DLL_I_ SOL_DEFAULT_OFF
+#endif // DLL definition
+
+#if defined(SOL_HEADER_ONLY)
+	#if (SOL_HEADER_ONLY != 0)
+		#define SOL_HEADER_ONLY_I_ SOL_ON
+	#else
+		#define SOL_HEADER_ONLY_I_ SOL_OFF
+	#endif
+#else
+	#define SOL_HEADER_ONLY_I_ SOL_DEFAULT_OFF
+#endif // Header only library
+
+#if defined(SOL_BUILD)
+	#if (SOL_BUILD != 0)
+		#define SOL_BUILD_I_ SOL_ON
+	#else
+		#define SOL_BUILD_I_ SOL_OFF
+	#endif
+#elif SOL_IS_ON(SOL_HEADER_ONLY)
+	#define SOL_BUILD_I_ SOL_DEFAULT_OFF
+#else
+	#define SOL_BUILD_I_ SOL_DEFAULT_ON
+#endif
+
+#if defined(SOL_UNITY_BUILD)
+	#if (SOL_UNITY_BUILD != 0)
+		#define SOL_UNITY_BUILD_I_ SOL_ON
+	#else
+		#define SOL_UNITY_BUILD_I_ SOL_OFF
+	#endif
+#else
+	#define SOL_UNITY_BUILD_I_ SOL_DEFAULT_OFF
+#endif // Header only library
+
+#if defined(SOL_C_FUNCTION_LINKAGE)
+	#define SOL_C_FUNCTION_LINKAGE_I_ SOL_C_FUNCTION_LINKAGE
+#else
+	#if SOL_IS_ON(SOL_BUILD_CXX_MODE)
+		// C++
+		#define SOL_C_FUNCTION_LINKAGE_I_ extern "C"
+	#else
+		// normal
+		#define SOL_C_FUNCTION_LINKAGE_I_
+	#endif // C++ or not
+#endif // Linkage specification for C functions
+
+#if defined(SOL_API_LINKAGE)
+	#define SOL_API_LINKAGE_I_ SOL_API_LINKAGE
+#else
+	#if SOL_IS_ON(SOL_DLL)
+		#if SOL_IS_ON(SOL_COMPILER_VCXX) || SOL_IS_ON(SOL_PLATFORM_WINDOWS) || SOL_IS_ON(SOL_PLATFORM_CYGWIN)
+			// MSVC Compiler; or, Windows, or Cygwin platforms
+			#if SOL_IS_ON(SOL_BUILD)
+				// Building the library
+				#if SOL_IS_ON(SOL_COMPILER_GCC)
+					// Using GCC
+					#define SOL_API_LINKAGE_I_ __attribute__((dllexport))
+				#else
+					// Using Clang, MSVC, etc...
+					#define SOL_API_LINKAGE_I_ __declspec(dllexport)
+				#endif
+			#else
+				#if SOL_IS_ON(SOL_COMPILER_GCC)
+					#define SOL_API_LINKAGE_I_ __attribute__((dllimport))
+				#else
+					#define SOL_API_LINKAGE_I_ __declspec(dllimport)
+				#endif
+			#endif
+		#else
+			// extern if building normally on non-MSVC
+			#define SOL_API_LINKAGE_I_ extern
+		#endif
+	#elif SOL_IS_ON(SOL_UNITY_BUILD)
+		// Built-in library, like how stb typical works
+		#if SOL_IS_ON(SOL_HEADER_ONLY)
+			// Header only, so functions are defined "inline"
+			#define SOL_API_LINKAGE_I_ inline
+		#else
+			// Not header only, so seperately compiled files
+			#define SOL_API_LINKAGE_I_ extern
+		#endif
+	#else
+		// Normal static library
+		#if SOL_IS_ON(SOL_BUILD_CXX_MODE)
+			#define SOL_API_LINKAGE_I_
+		#else
+			#define SOL_API_LINKAGE_I_ extern
+		#endif
+	#endif // DLL or not
+#endif // Build definitions
+
+#if defined(SOL_PUBLIC_FUNC_DECL)
+	#define SOL_PUBLIC_FUNC_DECL_I_ SOL_PUBLIC_FUNC_DECL
+#else
+	#define SOL_PUBLIC_FUNC_DECL_I_ SOL_API_LINKAGE_I_
+#endif
+
+#if defined(SOL_INTERNAL_FUNC_DECL_)
+	#define SOL_INTERNAL_FUNC_DECL_I_ SOL_INTERNAL_FUNC_DECL_
+#else
+	#define SOL_INTERNAL_FUNC_DECL_I_ SOL_API_LINKAGE_I_
+#endif
+
+#if defined(SOL_PUBLIC_FUNC_DEF)
+	#define SOL_PUBLIC_FUNC_DEF_I_ SOL_PUBLIC_FUNC_DEF
+#else
+	#define SOL_PUBLIC_FUNC_DEF_I_ SOL_API_LINKAGE_I_
+#endif
+
+#if defined(SOL_INTERNAL_FUNC_DEF)
+	#define SOL_INTERNAL_FUNC_DEF_I_ SOL_INTERNAL_FUNC_DEF
+#else
+	#define SOL_INTERNAL_FUNC_DEF_I_ SOL_API_LINKAGE_I_
+#endif
+
+#if defined(SOL_FUNC_DECL)
+	#define SOL_FUNC_DECL_I_ SOL_FUNC_DECL
+#elif SOL_IS_ON(SOL_HEADER_ONLY)
+	#define SOL_FUNC_DECL_I_ 
+#elif SOL_IS_ON(SOL_DLL)
+	#if SOL_IS_ON(SOL_COMPILER_VCXX)
+		#if SOL_IS_ON(SOL_BUILD)
+			#define SOL_FUNC_DECL_I_ extern __declspec(dllexport)
+		#else
+			#define SOL_FUNC_DECL_I_ extern __declspec(dllimport)
+		#endif
+	#elif SOL_IS_ON(SOL_COMPILER_GCC) || SOL_IS_ON(SOL_COMPILER_CLANG)
+		#define SOL_FUNC_DECL_I_ extern __attribute__((visibility("default")))
+	#else
+		#define SOL_FUNC_DECL_I_ extern
+	#endif
+#endif
+
+#if defined(SOL_FUNC_DEFN)
+	#define SOL_FUNC_DEFN_I_ SOL_FUNC_DEFN
+#elif SOL_IS_ON(SOL_HEADER_ONLY)
+	#define SOL_FUNC_DEFN_I_ inline
+#elif SOL_IS_ON(SOL_DLL)
+	#if SOL_IS_ON(SOL_COMPILER_VCXX)
+		#if SOL_IS_ON(SOL_BUILD)
+			#define SOL_FUNC_DEFN_I_ __declspec(dllexport)
+		#else
+			#define SOL_FUNC_DEFN_I_ __declspec(dllimport)
+		#endif
+	#elif SOL_IS_ON(SOL_COMPILER_GCC) || SOL_IS_ON(SOL_COMPILER_CLANG)
+		#define SOL_FUNC_DEFN_I_ __attribute__((visibility("default")))
+	#else
+		#define SOL_FUNC_DEFN_I_
+	#endif
+#endif
+
+#if defined(SOL_HIDDEN_FUNC_DECL)
+	#define SOL_HIDDEN_FUNC_DECL_I_ SOL_HIDDEN_FUNC_DECL
+#elif SOL_IS_ON(SOL_HEADER_ONLY)
+	#define SOL_HIDDEN_FUNC_DECL_I_ 
+#elif SOL_IS_ON(SOL_DLL)
+	#if SOL_IS_ON(SOL_COMPILER_VCXX)
+		#if SOL_IS_ON(SOL_BUILD)
+			#define SOL_HIDDEN_FUNC_DECL_I_ extern __declspec(dllexport)
+		#else
+			#define SOL_HIDDEN_FUNC_DECL_I_ extern __declspec(dllimport)
+		#endif
+	#elif SOL_IS_ON(SOL_COMPILER_GCC) || SOL_IS_ON(SOL_COMPILER_CLANG)
+		#define SOL_HIDDEN_FUNC_DECL_I_ extern __attribute__((visibility("default")))
+	#else
+		#define SOL_HIDDEN_FUNC_DECL_I_ extern
+	#endif
+#endif
+
+#if defined(SOL_HIDDEN_FUNC_DEFN)
+	#define SOL_HIDDEN_FUNC_DEFN_I_ SOL_HIDDEN_FUNC_DEFN
+#elif SOL_IS_ON(SOL_HEADER_ONLY)
+	#define SOL_HIDDEN_FUNC_DEFN_I_ inline
+#elif SOL_IS_ON(SOL_DLL)
+	#if SOL_IS_ON(SOL_COMPILER_VCXX)
+		#if SOL_IS_ON(SOL_BUILD)
+			#define SOL_HIDDEN_FUNC_DEFN_I_ 
+		#else
+			#define SOL_HIDDEN_FUNC_DEFN_I_ 
+		#endif
+	#elif SOL_IS_ON(SOL_COMPILER_GCC) || SOL_IS_ON(SOL_COMPILER_CLANG)
+		#define SOL_HIDDEN_FUNC_DEFN_I_ __attribute__((visibility("hidden")))
+	#else
+		#define SOL_HIDDEN_FUNC_DEFN_I_
+	#endif
+#endif
+
+// clang-format on 
+
+#endif // SOL_DETAIL_BUILD_VERSION_HPP
diff --git a/extern/sol3/sol/dump_handler.hpp b/extern/sol3/sol/dump_handler.hpp
index abebf7e6df..dc6c51d002 100644
--- a/extern/sol3/sol/dump_handler.hpp
+++ b/extern/sol3/sol/dump_handler.hpp
@@ -1,77 +1,77 @@
-// sol2
-
-// The MIT License (MIT)
-
-// Copyright (c) 2013-2021 Rapptz, ThePhD and contributors
-
-// Permission is hereby granted, free of charge, to any person obtaining a copy of
-// this software and associated documentation files (the "Software"), to deal in
-// the Software without restriction, including without limitation the rights to
-// use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of
-// the Software, and to permit persons to whom the Software is furnished to do so,
-// subject to the following conditions:
-
-// The above copyright notice and this permission notice shall be included in all
-// copies or substantial portions of the Software.
-
-// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
-// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS
-// FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR
-// COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER
-// IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
-// CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
-
-#ifndef SOL_DUMP_HANDLER_HPP
-#define SOL_DUMP_HANDLER_HPP
-
-#include <sol/compatibility.hpp>
-
-#include <cstdint>
-#include <exception>
-
-namespace sol {
-
-	class dump_error : public error {
-	private:
-		int m_ec;
-
-	public:
-		dump_error(int error_code_) : error("dump returned non-zero error of " + std::to_string(error_code_)), m_ec(error_code_) {
-		}
-
-		int error_code() const {
-			return m_ec;
-		}
-	};
-
-	inline int dump_pass_on_error(lua_State* L_, int result_code, lua_Writer writer_function, void* userdata_pointer_, bool strip) {
-		(void)L_;
-		(void)writer_function;
-		(void)userdata_pointer_;
-		(void)strip;
-		return result_code;
-	}
-
-	inline int dump_panic_on_error(lua_State* L_, int result_code, lua_Writer writer_function, void* userdata_pointer_, bool strip) {
-		(void)L_;
-		(void)writer_function;
-		(void)userdata_pointer_;
-		(void)strip;
-		return luaL_error(L_, "a non-zero error code (%d) was returned by the lua_Writer for the dump function", result_code);
-	}
-
-	inline int dump_throw_on_error(lua_State* L_, int result_code, lua_Writer writer_function, void* userdata_pointer_, bool strip) {
-#if SOL_IS_OFF(SOL_EXCEPTIONS_I_)
-		return dump_panic_on_error(L_, result_code, writer_function, userdata_pointer_, strip);
-#else
-		(void)L_;
-		(void)writer_function;
-		(void)userdata_pointer_;
-		(void)strip;
-		throw dump_error(result_code);
-#endif // no exceptions stuff
-	}
-
-} // namespace sol
-
-#endif // SOL_DUMP_HANDLER_HPP
+// sol2
+
+// The MIT License (MIT)
+
+// Copyright (c) 2013-2022 Rapptz, ThePhD and contributors
+
+// Permission is hereby granted, free of charge, to any person obtaining a copy of
+// this software and associated documentation files (the "Software"), to deal in
+// the Software without restriction, including without limitation the rights to
+// use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of
+// the Software, and to permit persons to whom the Software is furnished to do so,
+// subject to the following conditions:
+
+// The above copyright notice and this permission notice shall be included in all
+// copies or substantial portions of the Software.
+
+// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS
+// FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR
+// COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER
+// IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
+// CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+
+#ifndef SOL_DUMP_HANDLER_HPP
+#define SOL_DUMP_HANDLER_HPP
+
+#include <sol/compatibility.hpp>
+
+#include <cstdint>
+#include <exception>
+
+namespace sol {
+
+	class dump_error : public error {
+	private:
+		int m_ec;
+
+	public:
+		dump_error(int error_code_) : error("dump returned non-zero error of " + std::to_string(error_code_)), m_ec(error_code_) {
+		}
+
+		int error_code() const {
+			return m_ec;
+		}
+	};
+
+	inline int dump_pass_on_error(lua_State* L_, int result_code, lua_Writer writer_function, void* userdata_pointer_, bool strip) {
+		(void)L_;
+		(void)writer_function;
+		(void)userdata_pointer_;
+		(void)strip;
+		return result_code;
+	}
+
+	inline int dump_panic_on_error(lua_State* L_, int result_code, lua_Writer writer_function, void* userdata_pointer_, bool strip) {
+		(void)L_;
+		(void)writer_function;
+		(void)userdata_pointer_;
+		(void)strip;
+		return luaL_error(L_, "a non-zero error code (%d) was returned by the lua_Writer for the dump function", result_code);
+	}
+
+	inline int dump_throw_on_error(lua_State* L_, int result_code, lua_Writer writer_function, void* userdata_pointer_, bool strip) {
+#if SOL_IS_OFF(SOL_EXCEPTIONS)
+		return dump_panic_on_error(L_, result_code, writer_function, userdata_pointer_, strip);
+#else
+		(void)L_;
+		(void)writer_function;
+		(void)userdata_pointer_;
+		(void)strip;
+		throw dump_error(result_code);
+#endif // no exceptions stuff
+	}
+
+} // namespace sol
+
+#endif // SOL_DUMP_HANDLER_HPP
diff --git a/extern/sol3/sol/ebco.hpp b/extern/sol3/sol/ebco.hpp
index 4a2a0c8c5b..133dc6f82a 100644
--- a/extern/sol3/sol/ebco.hpp
+++ b/extern/sol3/sol/ebco.hpp
@@ -1,160 +1,161 @@
-// sol2
-
-// The MIT License (MIT)
-
-// Copyright (c) 2013-2021 Rapptz, ThePhD and contributors
-
-// Permission is hereby granted, free of charge, to any person obtaining a copy of
-// this software and associated documentation files (the "Software"), to deal in
-// the Software without restriction, including without limitation the rights to
-// use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of
-// the Software, and to permit persons to whom the Software is furnished to do so,
-// subject to the following conditions:
-
-// The above copyright notice and this permission notice shall be included in all
-// copies or substantial portions of the Software.
-
-// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
-// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS
-// FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR
-// COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER
-// IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
-// CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
-
-#ifndef SOL_EBCO_HPP
-#define SOL_EBCO_HPP
-
-#include <type_traits>
-#include <utility>
-
-namespace sol { namespace detail {
-
-	template <typename T, std::size_t tag = 0, typename = void>
-	struct ebco {
-		T m_value;
-
-		ebco() = default;
-		ebco(const ebco&) = default;
-		ebco(ebco&&) = default;
-		ebco& operator=(const ebco&) = default;
-		ebco& operator=(ebco&&) = default;
-		ebco(const T& v) noexcept(std::is_nothrow_copy_constructible_v<T>) : m_value(v) {};
-		ebco(T&& v) noexcept(std::is_nothrow_move_constructible_v<T>) : m_value(std::move(v)) {};
-		ebco& operator=(const T& v) noexcept(std::is_nothrow_copy_assignable_v<T>) {
-			m_value = v;
-			return *this;
-		}
-		ebco& operator=(T&& v) noexcept(std::is_nothrow_move_assignable_v<T>) {
-			m_value = std::move(v);
-			return *this;
-		};
-		template <typename Arg, typename... Args,
-			typename = std::enable_if_t<
-			     !std::is_same_v<std::remove_reference_t<std::remove_cv_t<Arg>>,
-			          ebco> && !std::is_same_v<std::remove_reference_t<std::remove_cv_t<Arg>>, T> && (sizeof...(Args) > 0 || !std::is_convertible_v<Arg, T>)>>
-		ebco(Arg&& arg, Args&&... args) noexcept(std::is_nothrow_constructible_v<T, Arg, Args...>)
-		: m_value(std::forward<Arg>(arg), std::forward<Args>(args)...) {
-		}
-
-		T& value() & noexcept {
-			return m_value;
-		}
-
-		T const& value() const& noexcept {
-			return m_value;
-		}
-
-		T&& value() && noexcept {
-			return std::move(m_value);
-		}
-	};
-
-	template <typename T, std::size_t tag>
-	struct ebco<T, tag, std::enable_if_t<!std::is_reference_v<T> && std::is_class_v<T> && !std::is_final_v<T>>> : T {
-		ebco() = default;
-		ebco(const ebco&) = default;
-		ebco(ebco&&) = default;
-		ebco(const T& v) noexcept(std::is_nothrow_copy_constructible_v<T>) : T(v) {};
-		ebco(T&& v) noexcept(std::is_nothrow_move_constructible_v<T>) : T(std::move(v)) {};
-		template <typename Arg, typename... Args,
-			typename = std::enable_if_t<
-			     !std::is_same_v<std::remove_reference_t<std::remove_cv_t<Arg>>,
-			          ebco> && !std::is_same_v<std::remove_reference_t<std::remove_cv_t<Arg>>, T> && (sizeof...(Args) > 0 || !std::is_convertible_v<Arg, T>)>>
-		ebco(Arg&& arg, Args&&... args) noexcept(std::is_nothrow_constructible_v<T, Arg, Args...>) : T(std::forward<Arg>(arg), std::forward<Args>(args)...) {
-		}
-
-		ebco& operator=(const ebco&) = default;
-		ebco& operator=(ebco&&) = default;
-		ebco& operator=(const T& v) noexcept(std::is_nothrow_copy_assignable_v<T>) {
-			static_cast<T&>(*this) = v;
-			return *this;
-		}
-		ebco& operator=(T&& v) noexcept(std::is_nothrow_move_assignable_v<T>) {
-			static_cast<T&>(*this) = std::move(v);
-			return *this;
-		};
-
-		T& value() & noexcept {
-			return static_cast<T&>(*this);
-		}
-
-		T const& value() const& noexcept {
-			return static_cast<T const&>(*this);
-		}
-
-		T&& value() && noexcept {
-			return std::move(static_cast<T&>(*this));
-		}
-	};
-
-	template <typename T, std::size_t tag>
-	struct ebco<T&, tag> {
-	private:
-		T* m_ref;
-
-	public:
-		ebco() = default;
-		ebco(const ebco&) = default;
-		ebco(ebco&&) = default;
-		ebco(T& v) noexcept : m_ref(std::addressof(v)) {};
-
-		ebco& operator=(const ebco&) = default;
-		ebco& operator=(ebco&&) = default;
-		ebco& operator=(T& v) noexcept {
-			m_ref = std::addressof(v);
-			return *this;
-		}
-
-		T& value() const noexcept {
-			return *(const_cast<ebco<T&, tag>&>(*this).m_ref);
-		}
-	};
-
-	template <typename T, std::size_t tag>
-	struct ebco<T&&, tag> {
-		T&& ref;
-
-		ebco() = default;
-		ebco(const ebco&) = delete;
-		ebco(ebco&&) = default;
-		ebco(T&& v) noexcept : ref(v) {};
-
-		ebco& operator=(const ebco&) = delete;
-		ebco& operator=(ebco&&) = delete;
-
-		T& value() & noexcept {
-			return ref;
-		}
-
-		const T& value() const& noexcept {
-			return ref;
-		}
-
-		T&& value() && noexcept {
-			return std::move(ref);
-		}
-	};
-
-}} // namespace sol::detail
-
-#endif // SOL_EBCO_HPP
+// sol2
+
+// The MIT License (MIT)
+
+// Copyright (c) 2013-2022 Rapptz, ThePhD and contributors
+
+// Permission is hereby granted, free of charge, to any person obtaining a copy of
+// this software and associated documentation files (the "Software"), to deal in
+// the Software without restriction, including without limitation the rights to
+// use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of
+// the Software, and to permit persons to whom the Software is furnished to do so,
+// subject to the following conditions:
+
+// The above copyright notice and this permission notice shall be included in all
+// copies or substantial portions of the Software.
+
+// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS
+// FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR
+// COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER
+// IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
+// CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+
+#ifndef SOL_EBCO_HPP
+#define SOL_EBCO_HPP
+
+#include <type_traits>
+#include <utility>
+#include <memory>
+
+namespace sol { namespace detail {
+
+	template <typename T, std::size_t tag = 0, typename = void>
+	struct ebco {
+		T m_value;
+
+		ebco() = default;
+		ebco(const ebco&) = default;
+		ebco(ebco&&) = default;
+		ebco& operator=(const ebco&) = default;
+		ebco& operator=(ebco&&) = default;
+		ebco(const T& v) noexcept(std::is_nothrow_copy_constructible_v<T>) : m_value(v) {};
+		ebco(T&& v) noexcept(std::is_nothrow_move_constructible_v<T>) : m_value(std::move(v)) {};
+		ebco& operator=(const T& v) noexcept(std::is_nothrow_copy_assignable_v<T>) {
+			m_value = v;
+			return *this;
+		}
+		ebco& operator=(T&& v) noexcept(std::is_nothrow_move_assignable_v<T>) {
+			m_value = std::move(v);
+			return *this;
+		};
+		template <typename Arg, typename... Args,
+			typename = std::enable_if_t<
+			     !std::is_same_v<std::remove_reference_t<std::remove_cv_t<Arg>>,
+			          ebco> && !std::is_same_v<std::remove_reference_t<std::remove_cv_t<Arg>>, T> && (sizeof...(Args) > 0 || !std::is_convertible_v<Arg, T>)>>
+		ebco(Arg&& arg, Args&&... args) noexcept(std::is_nothrow_constructible_v<T, Arg, Args...>)
+		: m_value(std::forward<Arg>(arg), std::forward<Args>(args)...) {
+		}
+
+		T& value() & noexcept {
+			return m_value;
+		}
+
+		T const& value() const& noexcept {
+			return m_value;
+		}
+
+		T&& value() && noexcept {
+			return std::move(m_value);
+		}
+	};
+
+	template <typename T, std::size_t tag>
+	struct ebco<T, tag, std::enable_if_t<!std::is_reference_v<T> && std::is_class_v<T> && !std::is_final_v<T>>> : T {
+		ebco() = default;
+		ebco(const ebco&) = default;
+		ebco(ebco&&) = default;
+		ebco(const T& v) noexcept(std::is_nothrow_copy_constructible_v<T>) : T(v) {};
+		ebco(T&& v) noexcept(std::is_nothrow_move_constructible_v<T>) : T(std::move(v)) {};
+		template <typename Arg, typename... Args,
+			typename = std::enable_if_t<
+			     !std::is_same_v<std::remove_reference_t<std::remove_cv_t<Arg>>,
+			          ebco> && !std::is_same_v<std::remove_reference_t<std::remove_cv_t<Arg>>, T> && (sizeof...(Args) > 0 || !std::is_convertible_v<Arg, T>)>>
+		ebco(Arg&& arg, Args&&... args) noexcept(std::is_nothrow_constructible_v<T, Arg, Args...>) : T(std::forward<Arg>(arg), std::forward<Args>(args)...) {
+		}
+
+		ebco& operator=(const ebco&) = default;
+		ebco& operator=(ebco&&) = default;
+		ebco& operator=(const T& v) noexcept(std::is_nothrow_copy_assignable_v<T>) {
+			static_cast<T&>(*this) = v;
+			return *this;
+		}
+		ebco& operator=(T&& v) noexcept(std::is_nothrow_move_assignable_v<T>) {
+			static_cast<T&>(*this) = std::move(v);
+			return *this;
+		};
+
+		T& value() & noexcept {
+			return static_cast<T&>(*this);
+		}
+
+		T const& value() const& noexcept {
+			return static_cast<T const&>(*this);
+		}
+
+		T&& value() && noexcept {
+			return std::move(static_cast<T&>(*this));
+		}
+	};
+
+	template <typename T, std::size_t tag>
+	struct ebco<T&, tag> {
+	private:
+		T* m_ref;
+
+	public:
+		ebco() = default;
+		ebco(const ebco&) = default;
+		ebco(ebco&&) = default;
+		ebco(T& v) noexcept : m_ref(std::addressof(v)) {};
+
+		ebco& operator=(const ebco&) = default;
+		ebco& operator=(ebco&&) = default;
+		ebco& operator=(T& v) noexcept {
+			m_ref = std::addressof(v);
+			return *this;
+		}
+
+		T& value() const noexcept {
+			return *(const_cast<ebco<T&, tag>&>(*this).m_ref);
+		}
+	};
+
+	template <typename T, std::size_t tag>
+	struct ebco<T&&, tag> {
+		T&& ref;
+
+		ebco() = default;
+		ebco(const ebco&) = delete;
+		ebco(ebco&&) = default;
+		ebco(T&& v) noexcept : ref(v) {};
+
+		ebco& operator=(const ebco&) = delete;
+		ebco& operator=(ebco&&) = delete;
+
+		T& value() & noexcept {
+			return ref;
+		}
+
+		const T& value() const& noexcept {
+			return ref;
+		}
+
+		T&& value() && noexcept {
+			return std::move(ref);
+		}
+	};
+
+}} // namespace sol::detail
+
+#endif // SOL_EBCO_HPP
diff --git a/extern/sol3/sol/environment.hpp b/extern/sol3/sol/environment.hpp
index 2529403bc0..a41f382226 100644
--- a/extern/sol3/sol/environment.hpp
+++ b/extern/sol3/sol/environment.hpp
@@ -2,7 +2,7 @@
 
 // The MIT License (MIT)
 
-// Copyright (c) 2013-2021 Rapptz, ThePhD and contributors
+// Copyright (c) 2013-2022 Rapptz, ThePhD and contributors
 
 // Permission is hereby granted, free of charge, to any person obtaining a copy of
 // this software and associated documentation files (the "Software"), to deal in
@@ -58,29 +58,29 @@ namespace sol {
 
 		basic_environment(env_key_t, const stack_reference& extraction_target)
 		: base_t(detail::no_safety, extraction_target.lua_state(), (stack::push_environment_of(extraction_target), -1)) {
-#if SOL_IS_ON(SOL_SAFE_REFERENCES_I_)
+#if SOL_IS_ON(SOL_SAFE_REFERENCES)
 			constructor_handler handler {};
 			stack::check<env_key_t>(this->lua_state(), -1, handler);
 #endif // Safety
-			lua_pop(this->lua_state(), 2);
+			lua_pop(this->lua_state(), 1);
 		}
 		template <bool b>
 		basic_environment(env_key_t, const basic_reference<b>& extraction_target)
 		: base_t(detail::no_safety, extraction_target.lua_state(), (stack::push_environment_of(extraction_target), -1)) {
-#if SOL_IS_ON(SOL_SAFE_REFERENCES_I_)
+#if SOL_IS_ON(SOL_SAFE_REFERENCES)
 			constructor_handler handler {};
 			stack::check<env_key_t>(this->lua_state(), -1, handler);
 #endif // Safety
-			lua_pop(this->lua_state(), 2);
+			lua_pop(this->lua_state(), 1);
 		}
 		basic_environment(lua_State* L, int index = -1) : base_t(detail::no_safety, L, index) {
-#if SOL_IS_ON(SOL_SAFE_REFERENCES_I_)
+#if SOL_IS_ON(SOL_SAFE_REFERENCES)
 			constructor_handler handler {};
 			stack::check<basic_environment>(L, index, handler);
 #endif // Safety
 		}
 		basic_environment(lua_State* L, ref_index index) : base_t(detail::no_safety, L, index) {
-#if SOL_IS_ON(SOL_SAFE_REFERENCES_I_)
+#if SOL_IS_ON(SOL_SAFE_REFERENCES)
 			auto pp = stack::push_pop(*this);
 			constructor_handler handler {};
 			stack::check<basic_environment>(L, -1, handler);
@@ -90,7 +90,7 @@ namespace sol {
 		     meta::enable<meta::neg<meta::any_same<meta::unqualified_t<T>, basic_environment>>, meta::neg<std::is_same<base_type, stack_reference>>,
 		          meta::neg<std::is_same<lua_nil_t, meta::unqualified_t<T>>>, is_lua_reference<meta::unqualified_t<T>>> = meta::enabler>
 		basic_environment(T&& r) noexcept : base_t(detail::no_safety, std::forward<T>(r)) {
-#if SOL_IS_ON(SOL_SAFE_REFERENCES_I_)
+#if SOL_IS_ON(SOL_SAFE_REFERENCES)
 			if (!is_environment<meta::unqualified_t<T>>::value) {
 				auto pp = stack::push_pop(*this);
 				constructor_handler handler {};
@@ -103,7 +103,7 @@ namespace sol {
 
 		template <typename T, meta::enable<is_lua_reference<meta::unqualified_t<T>>> = meta::enabler>
 		basic_environment(lua_State* L, T&& r) noexcept : base_t(detail::no_safety, L, std::forward<T>(r)) {
-#if SOL_IS_ON(SOL_SAFE_REFERENCES_I_)
+#if SOL_IS_ON(SOL_SAFE_REFERENCES)
 			if (!is_environment<meta::unqualified_t<T>>::value) {
 				auto pp = stack::push_pop(*this);
 				constructor_handler handler {};
@@ -136,11 +136,13 @@ namespace sol {
 					const char* success = lua_setupvalue(L, target_index, 1);
 					if (success == nullptr) {
 						// left things alone on the stack, pop them off
-						lua_pop(L, 1);
+						lua_pop(L, 2);
 						return false;
 					}
+					lua_pop(L, 1);
 					return true;
 				}
+				lua_pop(L, 1);
 				return false;
 			}
 			else {
@@ -152,6 +154,7 @@ namespace sol {
 					}
 					string_view upvalue_name(maybe_upvalue_name);
 					if (upvalue_name == "_ENV") {
+						lua_pop(L, 1);
 						this->push();
 						const char* success = lua_setupvalue(L, target_index, upvalue_index);
 						if (success == nullptr) {
diff --git a/extern/sol3/sol/epilogue.hpp b/extern/sol3/sol/epilogue.hpp
index a248b5b82f..95afcb9f68 100644
--- a/extern/sol3/sol/epilogue.hpp
+++ b/extern/sol3/sol/epilogue.hpp
@@ -1,39 +1,39 @@
-// sol2
-
-// The MIT License (MIT)
-
-// Copyright (c) 2013-2021 Rapptz, ThePhD and contributors
-
-// Permission is hereby granted, free of charge, to any person obtaining a copy of
-// this software and associated documentation files (the "Software"), to deal in
-// the Software without restriction, including without limitation the rights to
-// use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of
-// the Software, and to permit persons to whom the Software is furnished to do so,
-// subject to the following conditions:
-
-// The above copyright notice and this permission notice shall be included in all
-// copies or substantial portions of the Software.
-
-// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
-// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS
-// FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR
-// COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER
-// IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
-// CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
-
-#pragma once
-
-// clang-format off
-
-#if !defined(SOL_PROLOGUE_I_)
-	#error "[sol2] Library Prologue is missing from this translation unit."
-#else
-	#undef SOL_PROLOGUE_I_
-#endif
-
-#if SOL_IS_ON(SOL_BUILD_CXX_MODE_I_)
-	#undef _FWD
-	#undef _MOVE
-#endif
-
-// clang-format on
+// sol2
+
+// The MIT License (MIT)
+
+// Copyright (c) 2013-2022 Rapptz, ThePhD and contributors
+
+// Permission is hereby granted, free of charge, to any person obtaining a copy of
+// this software and associated documentation files (the "Software"), to deal in
+// the Software without restriction, including without limitation the rights to
+// use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of
+// the Software, and to permit persons to whom the Software is furnished to do so,
+// subject to the following conditions:
+
+// The above copyright notice and this permission notice shall be included in all
+// copies or substantial portions of the Software.
+
+// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS
+// FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR
+// COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER
+// IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
+// CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+
+#pragma once
+
+// clang-format off
+
+#if !defined(SOL_PROLOGUE_I_)
+	#error "[sol2] Library Prologue is missing from this translation unit."
+#else
+	#undef SOL_PROLOGUE_I_
+#endif
+
+#if SOL_IS_ON(SOL_BUILD_CXX_MODE)
+	#undef _FWD
+	#undef _MOVE
+#endif
+
+// clang-format on
diff --git a/extern/sol3/sol/error.hpp b/extern/sol3/sol/error.hpp
index edd07a0f98..b8a3808cc7 100644
--- a/extern/sol3/sol/error.hpp
+++ b/extern/sol3/sol/error.hpp
@@ -1,89 +1,102 @@
-// sol2
-
-// The MIT License (MIT)
-
-// Copyright (c) 2013-2021 Rapptz, ThePhD and contributors
-
-// Permission is hereby granted, free of charge, to any person obtaining a copy of
-// this software and associated documentation files (the "Software"), to deal in
-// the Software without restriction, including without limitation the rights to
-// use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of
-// the Software, and to permit persons to whom the Software is furnished to do so,
-// subject to the following conditions:
-
-// The above copyright notice and this permission notice shall be included in all
-// copies or substantial portions of the Software.
-
-// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
-// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS
-// FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR
-// COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER
-// IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
-// CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
-
-#ifndef SOL_ERROR_HPP
-#define SOL_ERROR_HPP
-
-#include <sol/compatibility.hpp>
-
-#include <stdexcept>
-#include <string>
-#include <array>
-
-namespace sol {
-	namespace detail {
-		struct direct_error_tag { };
-		const auto direct_error = direct_error_tag {};
-
-		struct error_result {
-			int results;
-			const char* format_string;
-			std::array<const char*, 4> argument_strings;
-
-			error_result() : results(0), format_string(nullptr) {
-			}
-
-			error_result(int results_) : results(results_), format_string(nullptr) {
-			}
-
-			error_result(const char* format_string_, const char* first_message_) : results(0), format_string(format_string_), argument_strings() {
-				argument_strings[0] = first_message_;
-			}
-		};
-
-		inline int handle_errors(lua_State* L, const error_result& er) {
-			if (er.format_string == nullptr) {
-				return er.results;
-			}
-			return luaL_error(L, er.format_string, er.argument_strings[0], er.argument_strings[1], er.argument_strings[2], er.argument_strings[3]);
-		}
-	} // namespace detail
-
-	class error : public std::runtime_error {
-	private:
-		// Because VC++ is upsetting, most of the time!
-		std::string what_reason;
-
-	public:
-		error(const std::string& str) : error(detail::direct_error, "lua: error: " + str) {
-		}
-		error(std::string&& str) : error(detail::direct_error, "lua: error: " + std::move(str)) {
-		}
-		error(detail::direct_error_tag, const std::string& str) : std::runtime_error(""), what_reason(str) {
-		}
-		error(detail::direct_error_tag, std::string&& str) : std::runtime_error(""), what_reason(std::move(str)) {
-		}
-
-		error(const error& e) = default;
-		error(error&& e) = default;
-		error& operator=(const error& e) = default;
-		error& operator=(error&& e) = default;
-
-		virtual const char* what() const noexcept override {
-			return what_reason.c_str();
-		}
-	};
-
-} // namespace sol
-
-#endif // SOL_ERROR_HPP
+// sol2
+
+// The MIT License (MIT)
+
+// Copyright (c) 2013-2022 Rapptz, ThePhD and contributors
+
+// Permission is hereby granted, free of charge, to any person obtaining a copy of
+// this software and associated documentation files (the "Software"), to deal in
+// the Software without restriction, including without limitation the rights to
+// use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of
+// the Software, and to permit persons to whom the Software is furnished to do so,
+// subject to the following conditions:
+
+// The above copyright notice and this permission notice shall be included in all
+// copies or substantial portions of the Software.
+
+// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS
+// FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR
+// COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER
+// IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
+// CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+
+#ifndef SOL_ERROR_HPP
+#define SOL_ERROR_HPP
+
+#include <sol/compatibility.hpp>
+
+#include <stdexcept>
+#include <string>
+#include <array>
+
+namespace sol {
+	namespace detail {
+		struct direct_error_tag { };
+		const auto direct_error = direct_error_tag {};
+
+		struct error_result {
+			int results;
+			const char* format_string;
+			std::array<const char*, 4> argument_strings;
+
+			error_result() : results(0), format_string(nullptr) {
+			}
+
+			error_result(int results_) : results(results_), format_string(nullptr) {
+			}
+
+			error_result(const char* format_string_, const char* first_message_) : results(0), format_string(format_string_), argument_strings() {
+				argument_strings[0] = first_message_;
+			}
+		};
+
+		inline int handle_errors(lua_State* L, const error_result& er) {
+			if (er.format_string == nullptr) {
+				return er.results;
+			}
+			return luaL_error(L, er.format_string, er.argument_strings[0], er.argument_strings[1], er.argument_strings[2], er.argument_strings[3]);
+		}
+
+		class error_exception : public std::runtime_error {
+		public:
+			error_exception(const std::string& str) : error_exception(detail::direct_error, "lua: error: " + str) {
+			}
+			error_exception(std::string&& str) : error_exception(detail::direct_error, "lua: error: " + std::move(str)) {
+			}
+			error_exception(detail::direct_error_tag, const std::string& str) : std::runtime_error(str) {
+			}
+			error_exception(detail::direct_error_tag, std::string&& str) : std::runtime_error(str) {
+			}
+
+			error_exception(const error_exception& e) = default;
+			error_exception(error_exception&& e) = default;
+			error_exception& operator=(const error_exception& e) = default;
+			error_exception& operator=(error_exception&& e) = default;
+		};
+	} // namespace detail
+
+	class error : public std::runtime_error {
+	private:
+		// Because VC++ is upsetting, most of the time!
+		std::string what_reason;
+
+	public:
+		error(const std::string& str) : error(detail::direct_error, "lua: error: " + str) {
+		}
+		error(std::string&& str) : error(detail::direct_error, "lua: error: " + std::move(str)) {
+		}
+		error(detail::direct_error_tag, const std::string& str) : std::runtime_error(str) {
+		}
+		error(detail::direct_error_tag, std::string&& str) : std::runtime_error(str) {
+		}
+
+		error(const error& e) = default;
+		error(error&& e) = default;
+		error& operator=(const error& e) = default;
+		error& operator=(error&& e) = default;
+	};
+
+} // namespace sol
+
+#endif // SOL_ERROR_HPP
diff --git a/extern/sol3/sol/error_handler.hpp b/extern/sol3/sol/error_handler.hpp
index cfda69bd2d..d5bbf5e7a3 100644
--- a/extern/sol3/sol/error_handler.hpp
+++ b/extern/sol3/sol/error_handler.hpp
@@ -2,7 +2,7 @@
 
 // The MIT License (MIT)
 
-// Copyright (c) 2013-2021 Rapptz, ThePhD and contributors
+// Copyright (c) 2013-2022 Rapptz, ThePhD and contributors
 
 // Permission is hereby granted, free of charge, to any person obtaining a copy of
 // this software and associated documentation files (the "Software"), to deal in
@@ -24,6 +24,7 @@
 #ifndef SOL_ERROR_HANDLER_HPP
 #define SOL_ERROR_HANDLER_HPP
 
+#include <sol/config.hpp>
 #include <sol/types.hpp>
 #include <sol/demangle.hpp>
 
@@ -62,7 +63,7 @@ namespace sol {
 		case type::poly:
 			return "anything";
 		case type::userdata: {
-#if SOL_IS_ON(SOL_SAFE_STACK_CHECK_I_)
+#if SOL_IS_ON(SOL_SAFE_STACK_CHECK)
 			luaL_checkstack(L, 2, "not enough space to push get the type name");
 #endif // make sure stack doesn't overflow
 			if (lua_getmetatable(L, index) == 0) {
@@ -84,7 +85,7 @@ namespace sol {
 
 	inline int push_type_panic_string(lua_State* L, int index, type expected, type actual, string_view message, string_view aux_message) noexcept {
 		const char* err = message.size() == 0
-		     ? (aux_message.size() == 0 ? "stack index %d, expected %s, received %s" : "stack index %d, expected %s, received %s: %s")
+		     ? (aux_message.size() == 0 ? "stack index %d, expected %s, received %s" : "stack index %d, expected %s, received %s: %s%s")
 		     : "stack index %d, expected %s, received %s: %s %s";
 		const char* type_name = expected == type::poly ? "anything" : lua_typename(L, static_cast<int>(expected));
 		{
@@ -96,12 +97,16 @@ namespace sol {
 
 	inline int type_panic_string(lua_State* L, int index, type expected, type actual, string_view message = "") noexcept(false) {
 		push_type_panic_string(L, index, expected, actual, message, "");
-		return lua_error(L);
+		size_t str_size = 0;
+		const char* str = lua_tolstring(L, -1, &str_size);
+		return luaL_error(L, str);
 	}
 
 	inline int type_panic_c_str(lua_State* L, int index, type expected, type actual, const char* message = nullptr) noexcept(false) {
 		push_type_panic_string(L, index, expected, actual, message == nullptr ? "" : message, "");
-		return lua_error(L);
+		size_t str_size = 0;
+		const char* str = lua_tolstring(L, -1, &str_size);
+		return luaL_error(L, str);
 	}
 
 	struct type_panic_t {
@@ -118,7 +123,9 @@ namespace sol {
 	struct constructor_handler {
 		int operator()(lua_State* L, int index, type expected, type actual, string_view message) const noexcept(false) {
 			push_type_panic_string(L, index, expected, actual, message, "(type check failed in constructor)");
-			return lua_error(L);
+			size_t str_size = 0;
+			const char* str = lua_tolstring(L, -1, &str_size);
+			return luaL_error(L, str);
 		}
 	};
 
@@ -126,7 +133,9 @@ namespace sol {
 	struct argument_handler {
 		int operator()(lua_State* L, int index, type expected, type actual, string_view message) const noexcept(false) {
 			push_type_panic_string(L, index, expected, actual, message, "(bad argument to variable or function call)");
-			return lua_error(L);
+			size_t str_size = 0;
+			const char* str = lua_tolstring(L, -1, &str_size);
+			return luaL_error(L, str);
 		}
 	};
 
@@ -142,7 +151,9 @@ namespace sol {
 				aux_message += ")')";
 				push_type_panic_string(L, index, expected, actual, message, aux_message);
 			}
-			return lua_error(L);
+			size_t str_size = 0;
+			const char* str = lua_tolstring(L, -1, &str_size);
+			return luaL_error(L, str);
 		}
 	};
 
diff --git a/extern/sol3/sol/forward.hpp b/extern/sol3/sol/forward.hpp
index 708e711e2d..3668144866 100644
--- a/extern/sol3/sol/forward.hpp
+++ b/extern/sol3/sol/forward.hpp
@@ -2,7 +2,7 @@
 
 // The MIT License (MIT)
 
-// Copyright (c) 2013-2021 Rapptz, ThePhD and contributors
+// Copyright (c) 2013-2022 Rapptz, ThePhD and contributors
 
 // Permission is hereby granted, free of charge, to any person obtaining a copy of
 // this software and associated documentation files (the "Software"), to deal in
@@ -30,7 +30,7 @@
 #include <type_traits>
 #include <string_view>
 
-#if SOL_IS_ON(SOL_USE_CXX_LUA_I_) || SOL_IS_ON(SOL_USE_CXX_LUAJIT_I_)
+#if SOL_IS_ON(SOL_USING_CXX_LUA) || SOL_IS_ON(SOL_USING_CXX_LUAJIT)
 struct lua_State;
 #else
 extern "C" {
@@ -117,7 +117,7 @@ namespace sol {
 	using main_protected_function = main_safe_function;
 	using stack_protected_function = stack_safe_function;
 	using stack_aligned_protected_function = stack_aligned_safe_function;
-#if SOL_IS_ON(SOL_SAFE_FUNCTION_OBJECTS_I_)
+#if SOL_IS_ON(SOL_SAFE_FUNCTION_OBJECTS)
 	using function = protected_function;
 	using main_function = main_protected_function;
 	using stack_function = stack_protected_function;
@@ -133,7 +133,7 @@ namespace sol {
 	struct unsafe_function_result;
 	struct protected_function_result;
 	using safe_function_result = protected_function_result;
-#if SOL_IS_ON(SOL_SAFE_FUNCTION_OBJECTS_I_)
+#if SOL_IS_ON(SOL_SAFE_FUNCTION_OBJECTS)
 	using function_result = safe_function_result;
 #else
 	using function_result = unsafe_function_result;
@@ -234,7 +234,7 @@ namespace sol {
 		struct record;
 	}
 
-#if SOL_IS_OFF(SOL_USE_BOOST_I_)
+#if SOL_IS_OFF(SOL_USE_BOOST)
 	template <class T>
 	class optional;
 
@@ -253,7 +253,7 @@ namespace sol {
 			typedef ::sol::types<__VA_ARGS__> type; \
 		};                                           \
 	}                                                 \
-	void a_sol3_detail_function_decl_please_no_collide()
+	static_assert(true, "")
 #define SOL_DERIVED_CLASSES(T, ...)                    \
 	namespace sol {                                   \
 		template <>                                  \
@@ -261,6 +261,6 @@ namespace sol {
 			typedef ::sol::types<__VA_ARGS__> type; \
 		};                                           \
 	}                                                 \
-	void a_sol3_detail_function_decl_please_no_collide()
+	static_assert(true, "")
 
 #endif // SOL_FORWARD_HPP
diff --git a/extern/sol3/sol/forward_as.hpp b/extern/sol3/sol/forward_as.hpp
new file mode 100644
index 0000000000..9c25f33943
--- /dev/null
+++ b/extern/sol3/sol/forward_as.hpp
@@ -0,0 +1,44 @@
+// sol2
+
+// The MIT License (MIT)
+
+// Copyright (c) 2013-2022 Rapptz, ThePhD and contributors
+
+// Permission is hereby granted, free of charge, to any person obtaining a copy of
+// this software and associated documentation files (the "Software"), to deal in
+// the Software without restriction, including without limitation the rights to
+// use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of
+// the Software, and to permit persons to whom the Software is furnished to do so,
+// subject to the following conditions:
+
+// The above copyright notice and this permission notice shall be included in all
+// copies or substantial portions of the Software.
+
+// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS
+// FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR
+// COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER
+// IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
+// CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+
+#ifndef SOL_FORWARD_AS_HPP
+#define SOL_FORWARD_AS_HPP
+
+#include <sol/version.hpp>
+
+#include <utility>
+#include <type_traits>
+
+namespace sol {
+	template <typename T, typename U>
+	constexpr decltype(auto) forward_as(U&& value) noexcept {
+		if constexpr (::std::is_lvalue_reference_v<T>) {
+			return value;
+		}
+		else {
+			return ::std::move(value);
+		}
+	}
+}
+
+#endif // SOL_FORWARD_AS_HPP
diff --git a/extern/sol3/sol/forward_detail.hpp b/extern/sol3/sol/forward_detail.hpp
index 5815f485b0..1792d1a4f6 100644
--- a/extern/sol3/sol/forward_detail.hpp
+++ b/extern/sol3/sol/forward_detail.hpp
@@ -2,7 +2,7 @@
 
 // The MIT License (MIT)
 
-// Copyright (c) 2013-2021 Rapptz, ThePhD and contributors
+// Copyright (c) 2013-2022 Rapptz, ThePhD and contributors
 
 // Permission is hereby granted, free of charge, to any person obtaining a copy of
 // this software and associated documentation files (the "Software"), to deal in
@@ -32,7 +32,7 @@
 namespace sol {
 	namespace detail {
 		const bool default_safe_function_calls =
-#if SOL_IS_ON(SOL_SAFE_FUNCTION_CALLS_I_)
+#if SOL_IS_ON(SOL_SAFE_FUNCTION_CALLS)
 		     true;
 #else
 		     false;
diff --git a/extern/sol3/sol/function.hpp b/extern/sol3/sol/function.hpp
index 26b3a0324f..ed1f5c2233 100644
--- a/extern/sol3/sol/function.hpp
+++ b/extern/sol3/sol/function.hpp
@@ -1,142 +1,142 @@
-// sol2
-
-// The MIT License (MIT)
-
-// Copyright (c) 2013-2021 Rapptz, ThePhD and contributors
-
-// Permission is hereby granted, free of charge, to any person obtaining a copy of
-// this software and associated documentation files (the "Software"), to deal in
-// the Software without restriction, including without limitation the rights to
-// use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of
-// the Software, and to permit persons to whom the Software is furnished to do so,
-// subject to the following conditions:
-
-// The above copyright notice and this permission notice shall be included in all
-// copies or substantial portions of the Software.
-
-// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
-// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS
-// FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR
-// COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER
-// IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
-// CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
-
-#ifndef SOL_FUNCTION_HPP
-#define SOL_FUNCTION_HPP
-
-#include <sol/stack.hpp>
-#include <sol/unsafe_function.hpp>
-#include <sol/protected_function.hpp>
-#include <sol/bytecode.hpp>
-#include <functional>
-
-namespace sol {
-	template <typename... Ret, typename... Args>
-	decltype(auto) stack_proxy::call(Args&&... args) {
-		stack_function sf(this->lua_state(), this->stack_index());
-		return sf.template call<Ret...>(std::forward<Args>(args)...);
-	}
-
-	inline protected_function_result::protected_function_result(unsafe_function_result&& o) noexcept
-	: L(o.lua_state()), index(o.stack_index()), returncount(o.return_count()), popcount(o.return_count()), err(o.status()) {
-		// Must be manual, otherwise destructor will screw us
-		// return count being 0 is enough to keep things clean
-		// but we will be thorough
-		o.abandon();
-	}
-
-	inline protected_function_result& protected_function_result::operator=(unsafe_function_result&& o) noexcept {
-		L = o.lua_state();
-		index = o.stack_index();
-		returncount = o.return_count();
-		popcount = o.return_count();
-		err = o.status();
-		// Must be manual, otherwise destructor will screw us
-		// return count being 0 is enough to keep things clean
-		// but we will be thorough
-		o.abandon();
-		return *this;
-	}
-
-	inline unsafe_function_result::unsafe_function_result(protected_function_result&& o) noexcept
-	: L(o.lua_state()), index(o.stack_index()), returncount(o.return_count()) {
-		// Must be manual, otherwise destructor will screw us
-		// return count being 0 is enough to keep things clean
-		// but we will be thorough
-		o.abandon();
-	}
-	inline unsafe_function_result& unsafe_function_result::operator=(protected_function_result&& o) noexcept {
-		L = o.lua_state();
-		index = o.stack_index();
-		returncount = o.return_count();
-		// Must be manual, otherwise destructor will screw us
-		// return count being 0 is enough to keep things clean
-		// but we will be thorough
-		o.abandon();
-		return *this;
-	}
-
-	namespace detail {
-		template <typename... R>
-		struct std_shim {
-			unsafe_function lua_func_;
-
-			std_shim(unsafe_function lua_func) : lua_func_(std::move(lua_func)) {
-			}
-
-			template <typename... Args>
-			meta::return_type_t<R...> operator()(Args&&... args) {
-				return lua_func_.call<R...>(std::forward<Args>(args)...);
-			}
-		};
-
-		template <>
-		struct std_shim<void> {
-			unsafe_function lua_func_;
-
-			std_shim(unsafe_function lua_func) : lua_func_(std::move(lua_func)) {
-			}
-
-			template <typename... Args>
-			void operator()(Args&&... args) {
-				lua_func_.call<void>(std::forward<Args>(args)...);
-			}
-		};
-	} // namespace detail
-
-	namespace stack {
-		template <typename Signature>
-		struct unqualified_getter<std::function<Signature>> {
-			typedef meta::bind_traits<Signature> fx_t;
-			typedef typename fx_t::args_list args_lists;
-			typedef meta::tuple_types<typename fx_t::return_type> return_types;
-
-			template <typename... R>
-			static std::function<Signature> get_std_func(types<R...>, lua_State* L, int index) {
-				detail::std_shim<R...> fx(unsafe_function(L, index));
-				return fx;
-			}
-
-			static std::function<Signature> get(lua_State* L, int index, record& tracking) {
-				tracking.use(1);
-				type t = type_of(L, index);
-				if (t == type::none || t == type::lua_nil) {
-					return nullptr;
-				}
-				return get_std_func(return_types(), L, index);
-			}
-		};
-
-		template <typename Allocator>
-		struct unqualified_getter<basic_bytecode<Allocator>> {
-			static basic_bytecode<Allocator> get(lua_State* L, int index, record& tracking) {
-				tracking.use(1);
-				stack_function sf(L, index);
-				return sf.dump(&dump_panic_on_error);
-			}
-		};
-	} // namespace stack
-
-} // namespace sol
-
-#endif // SOL_FUNCTION_HPP
+// sol2
+
+// The MIT License (MIT)
+
+// Copyright (c) 2013-2022 Rapptz, ThePhD and contributors
+
+// Permission is hereby granted, free of charge, to any person obtaining a copy of
+// this software and associated documentation files (the "Software"), to deal in
+// the Software without restriction, including without limitation the rights to
+// use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of
+// the Software, and to permit persons to whom the Software is furnished to do so,
+// subject to the following conditions:
+
+// The above copyright notice and this permission notice shall be included in all
+// copies or substantial portions of the Software.
+
+// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS
+// FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR
+// COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER
+// IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
+// CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+
+#ifndef SOL_FUNCTION_HPP
+#define SOL_FUNCTION_HPP
+
+#include <sol/stack.hpp>
+#include <sol/unsafe_function.hpp>
+#include <sol/protected_function.hpp>
+#include <sol/bytecode.hpp>
+#include <functional>
+
+namespace sol {
+	template <typename... Ret, typename... Args>
+	decltype(auto) stack_proxy::call(Args&&... args) {
+		stack_function sf(this->lua_state(), this->stack_index());
+		return sf.template call<Ret...>(std::forward<Args>(args)...);
+	}
+
+	inline protected_function_result::protected_function_result(unsafe_function_result&& o) noexcept
+	: L(o.lua_state()), index(o.stack_index()), returncount(o.return_count()), popcount(o.return_count()), err(o.status()) {
+		// Must be manual, otherwise destructor will screw us
+		// return count being 0 is enough to keep things clean
+		// but we will be thorough
+		o.abandon();
+	}
+
+	inline protected_function_result& protected_function_result::operator=(unsafe_function_result&& o) noexcept {
+		L = o.lua_state();
+		index = o.stack_index();
+		returncount = o.return_count();
+		popcount = o.return_count();
+		err = o.status();
+		// Must be manual, otherwise destructor will screw us
+		// return count being 0 is enough to keep things clean
+		// but we will be thorough
+		o.abandon();
+		return *this;
+	}
+
+	inline unsafe_function_result::unsafe_function_result(protected_function_result&& o) noexcept
+	: L(o.lua_state()), index(o.stack_index()), returncount(o.return_count()) {
+		// Must be manual, otherwise destructor will screw us
+		// return count being 0 is enough to keep things clean
+		// but we will be thorough
+		o.abandon();
+	}
+	inline unsafe_function_result& unsafe_function_result::operator=(protected_function_result&& o) noexcept {
+		L = o.lua_state();
+		index = o.stack_index();
+		returncount = o.return_count();
+		// Must be manual, otherwise destructor will screw us
+		// return count being 0 is enough to keep things clean
+		// but we will be thorough
+		o.abandon();
+		return *this;
+	}
+
+	namespace detail {
+		template <typename... R>
+		struct std_shim {
+			unsafe_function lua_func_;
+
+			std_shim(unsafe_function lua_func) : lua_func_(std::move(lua_func)) {
+			}
+
+			template <typename... Args>
+			meta::return_type_t<R...> operator()(Args&&... args) {
+				return lua_func_.call<R...>(std::forward<Args>(args)...);
+			}
+		};
+
+		template <>
+		struct std_shim<void> {
+			unsafe_function lua_func_;
+
+			std_shim(unsafe_function lua_func) : lua_func_(std::move(lua_func)) {
+			}
+
+			template <typename... Args>
+			void operator()(Args&&... args) {
+				lua_func_.call<void>(std::forward<Args>(args)...);
+			}
+		};
+	} // namespace detail
+
+	namespace stack {
+		template <typename Signature>
+		struct unqualified_getter<std::function<Signature>> {
+			typedef meta::bind_traits<Signature> fx_t;
+			typedef typename fx_t::args_list args_lists;
+			typedef meta::tuple_types<typename fx_t::return_type> return_types;
+
+			template <typename... R>
+			static std::function<Signature> get_std_func(types<R...>, lua_State* L, int index) {
+				detail::std_shim<R...> fx(unsafe_function(L, index));
+				return fx;
+			}
+
+			static std::function<Signature> get(lua_State* L, int index, record& tracking) {
+				tracking.use(1);
+				type t = type_of(L, index);
+				if (t == type::none || t == type::lua_nil) {
+					return nullptr;
+				}
+				return get_std_func(return_types(), L, index);
+			}
+		};
+
+		template <typename Allocator>
+		struct unqualified_getter<basic_bytecode<Allocator>> {
+			static basic_bytecode<Allocator> get(lua_State* L, int index, record& tracking) {
+				tracking.use(1);
+				stack_function sf(L, index);
+				return sf.dump(&dump_panic_on_error);
+			}
+		};
+	} // namespace stack
+
+} // namespace sol
+
+#endif // SOL_FUNCTION_HPP
diff --git a/extern/sol3/sol/function_result.hpp b/extern/sol3/sol/function_result.hpp
index 1f998d7f3b..5026ec50e1 100644
--- a/extern/sol3/sol/function_result.hpp
+++ b/extern/sol3/sol/function_result.hpp
@@ -2,7 +2,7 @@
 
 // The MIT License (MIT)
 
-// Copyright (c) 2013-2021 Rapptz, ThePhD and contributors
+// Copyright (c) 2013-2022 Rapptz, ThePhD and contributors
 
 // Permission is hereby granted, free of charge, to any person obtaining a copy of
 // this software and associated documentation files (the "Software"), to deal in
diff --git a/extern/sol3/sol/function_types.hpp b/extern/sol3/sol/function_types.hpp
index 1890589075..27cd6bc779 100644
--- a/extern/sol3/sol/function_types.hpp
+++ b/extern/sol3/sol/function_types.hpp
@@ -2,7 +2,7 @@
 
 // The MIT License (MIT)
 
-// Copyright (c) 2013-2021 Rapptz, ThePhD and contributors
+// Copyright (c) 2013-2022 Rapptz, ThePhD and contributors
 
 // Permission is hereby granted, free of charge, to any person obtaining a copy of
 // this software and associated documentation files (the "Software"), to deal in
@@ -217,7 +217,7 @@ namespace sol {
 						int upvalues = 0;
 						upvalues += stack::push(L, nullptr);
 						upvalues += stack::push(L, std::forward<Fx>(fx));
-#if SOL_IS_ON(SOL_USE_NOEXCEPT_FUNCTION_TYPE_I_)
+#if SOL_IS_ON(SOL_USE_NOEXCEPT_FUNCTION_TYPE)
 						if constexpr (std::is_nothrow_invocable_r_v<int, uFx, lua_State*>) {
 							detail::lua_CFunction_noexcept cf = &lua_c_noexcept_wrapper<true>;
 							lua_pushcclosure(L, reinterpret_cast<lua_CFunction>(cf), upvalues);
@@ -237,7 +237,7 @@ namespace sol {
 					int upvalues = 0;
 					upvalues += stack::push(L, nullptr);
 					upvalues += stack::push(L, std::forward<Fx>(fx));
-#if SOL_IS_ON(SOL_USE_NOEXCEPT_FUNCTION_TYPE_I_)
+#if SOL_IS_ON(SOL_USE_NOEXCEPT_FUNCTION_TYPE)
 					if constexpr (std::is_nothrow_invocable_r_v<int, uFx, lua_State*>) {
 						detail::lua_CFunction_noexcept cf = &lua_c_noexcept_wrapper<is_yielding>;
 						lua_pushcclosure(L, reinterpret_cast<lua_CFunction>(cf), upvalues);
@@ -398,7 +398,7 @@ namespace sol {
 		struct unqualified_pusher<Signature,
 		     std::enable_if_t<meta::all<std::is_function<std::remove_pointer_t<Signature>>, meta::neg<std::is_same<Signature, lua_CFunction>>,
 		          meta::neg<std::is_same<Signature, std::remove_pointer_t<lua_CFunction>>>
-#if SOL_IS_ON(SOL_USE_NOEXCEPT_FUNCTION_TYPE_I_)
+#if SOL_IS_ON(SOL_USE_NOEXCEPT_FUNCTION_TYPE)
 		          ,
 		          meta::neg<std::is_same<Signature, detail::lua_CFunction_noexcept>>,
 		          meta::neg<std::is_same<Signature, std::remove_pointer_t<detail::lua_CFunction_noexcept>>>
@@ -711,7 +711,7 @@ namespace sol {
 		namespace stack_detail {
 			template <typename Function, typename Handler>
 			bool check_function_pointer(lua_State* L, int index, Handler&& handler, record& tracking) noexcept {
-#if SOL_IS_ON(SOL_GET_FUNCTION_POINTER_UNSAFE_I_)
+#if SOL_IS_ON(SOL_GET_FUNCTION_POINTER_UNSAFE)
 				tracking.use(1);
 				bool success = lua_iscfunction(L, index) == 1;
 				if (success) {
@@ -737,7 +737,7 @@ namespace sol {
 
 			template <typename Function>
 			Function* get_function_pointer(lua_State* L, int index, record& tracking) noexcept {
-#if SOL_IS_ON(SOL_GET_FUNCTION_POINTER_UNSAFE_I_)
+#if SOL_IS_ON(SOL_GET_FUNCTION_POINTER_UNSAFE)
 				tracking.use(1);
 				auto udata = stack::stack_detail::get_as_upvalues_using_function<Function*>(L, index);
 				Function* fx = udata.first;
@@ -747,7 +747,7 @@ namespace sol {
 				(void)index;
 				(void)tracking;
 				static_assert(meta::meta_detail::always_true<Function>::value,
-#if SOL_IS_DEFAULT_OFF(SOL_GET_FUNCTION_POINTER_UNSAFE_I_)
+#if SOL_IS_DEFAULT_OFF(SOL_GET_FUNCTION_POINTER_UNSAFE)
 				     "You are attempting to retrieve a function pointer type. "
 				     "This is inherently unsafe in sol2. In order to do this, you must turn on the "
 				     "SOL_GET_FUNCTION_POINTER_UNSAFE configuration macro, as detailed in the documentation. "
diff --git a/extern/sol3/sol/function_types_core.hpp b/extern/sol3/sol/function_types_core.hpp
index 138b2b518b..6cec215225 100644
--- a/extern/sol3/sol/function_types_core.hpp
+++ b/extern/sol3/sol/function_types_core.hpp
@@ -2,7 +2,7 @@
 
 // The MIT License (MIT)
 
-// Copyright (c) 2013-2021 Rapptz, ThePhD and contributors
+// Copyright (c) 2013-2022 Rapptz, ThePhD and contributors
 
 // Permission is hereby granted, free of charge, to any person obtaining a copy of
 // this software and associated documentation files (the "Software"), to deal in
diff --git a/extern/sol3/sol/function_types_overloaded.hpp b/extern/sol3/sol/function_types_overloaded.hpp
index 8c8e5c1a55..63044b7d3f 100644
--- a/extern/sol3/sol/function_types_overloaded.hpp
+++ b/extern/sol3/sol/function_types_overloaded.hpp
@@ -2,7 +2,7 @@
 
 // The MIT License (MIT)
 
-// Copyright (c) 2013-2021 Rapptz, ThePhD and contributors
+// Copyright (c) 2013-2022 Rapptz, ThePhD and contributors
 
 // Permission is hereby granted, free of charge, to any person obtaining a copy of
 // this software and associated documentation files (the "Software"), to deal in
@@ -62,4 +62,4 @@ namespace sol { namespace function_detail {
 	};
 }} // namespace sol::function_detail
 
-#endif // SOL_FUNCTION_TYPES_OVERLOAD_HPP
\ No newline at end of file
+#endif // SOL_FUNCTION_TYPES_OVERLOAD_HPP
diff --git a/extern/sol3/sol/function_types_stateful.hpp b/extern/sol3/sol/function_types_stateful.hpp
index 45c97b1bc0..9a5ca30043 100644
--- a/extern/sol3/sol/function_types_stateful.hpp
+++ b/extern/sol3/sol/function_types_stateful.hpp
@@ -2,7 +2,7 @@
 
 // The MIT License (MIT)
 
-// Copyright (c) 2013-2021 Rapptz, ThePhD and contributors
+// Copyright (c) 2013-2022 Rapptz, ThePhD and contributors
 
 // Permission is hereby granted, free of charge, to any person obtaining a copy of
 // this software and associated documentation files (the "Software"), to deal in
@@ -74,7 +74,7 @@ namespace sol { namespace function_detail {
 		}
 
 		static int call(lua_State* L, member_function& self)
-#if SOL_IS_ON(SOL_COMPILER_VCXX_I_)
+#if SOL_IS_ON(SOL_COMPILER_VCXX)
 		// MSVC is broken, what a surprise...
 #else
 			noexcept(traits_type::is_noexcept)
@@ -90,7 +90,7 @@ namespace sol { namespace function_detail {
 		}
 
 		int operator()(lua_State* L)
-#if SOL_IS_ON(SOL_COMPILER_VCXX_I_)
+#if SOL_IS_ON(SOL_COMPILER_VCXX)
 		// MSVC is broken, what a surprise...
 #else
 			noexcept(traits_type::is_noexcept)
diff --git a/extern/sol3/sol/function_types_stateless.hpp b/extern/sol3/sol/function_types_stateless.hpp
index 672732fa04..fe0f3f0b2f 100644
--- a/extern/sol3/sol/function_types_stateless.hpp
+++ b/extern/sol3/sol/function_types_stateless.hpp
@@ -2,7 +2,7 @@
 
 // The MIT License (MIT)
 
-// Copyright (c) 2013-2021 Rapptz, ThePhD and contributors
+// Copyright (c) 2013-2022 Rapptz, ThePhD and contributors
 
 // Permission is hereby granted, free of charge, to any person obtaining a copy of
 // this software and associated documentation files (the "Software"), to deal in
@@ -35,7 +35,7 @@ namespace sol { namespace function_detail {
 		using traits_type = meta::bind_traits<function_type>;
 
 		static int real_call(lua_State* L)
-#if SOL_IS_ON(SOL_COMPILER_VCXX_I_)
+#if SOL_IS_ON(SOL_COMPILER_VCXX)
 		// MSVC is broken, what a surprise...
 #else
 			noexcept(traits_type::is_noexcept)
@@ -70,7 +70,7 @@ namespace sol { namespace function_detail {
 		typedef lua_bind_traits<function_type> traits_type;
 
 		static int real_call(lua_State* L)
-#if SOL_IS_ON(SOL_COMPILER_VCXX_I_)
+#if SOL_IS_ON(SOL_COMPILER_VCXX)
 		// MSVC is broken, what a surprise...
 #else
 			noexcept(traits_type::is_noexcept)
@@ -88,7 +88,7 @@ namespace sol { namespace function_detail {
 
 		template <bool is_yielding, bool no_trampoline>
 		static int call(lua_State* L)
-#if SOL_IS_ON(SOL_COMPILER_VCXX_I_)
+#if SOL_IS_ON(SOL_COMPILER_VCXX)
 		// MSVC is broken, what a surprise...
 #else
 			noexcept(traits_type::is_noexcept)
@@ -110,7 +110,7 @@ namespace sol { namespace function_detail {
 		}
 
 		int operator()(lua_State* L)
-#if SOL_IS_ON(SOL_COMPILER_VCXX_I_)
+#if SOL_IS_ON(SOL_COMPILER_VCXX)
 		// MSVC is broken, what a surprise...
 #else
 			noexcept(traits_type::is_noexcept)
@@ -126,7 +126,7 @@ namespace sol { namespace function_detail {
 		typedef lua_bind_traits<function_type> traits_type;
 
 		static int real_call(lua_State* L)
-#if SOL_IS_ON(SOL_COMPILER_VCXX_I_)
+#if SOL_IS_ON(SOL_COMPILER_VCXX)
 		// MSVC is broken, what a surprise...
 #else
 			noexcept(traits_type::is_noexcept)
@@ -153,7 +153,7 @@ namespace sol { namespace function_detail {
 
 		template <bool is_yielding, bool no_trampoline>
 		static int call(lua_State* L)
-#if SOL_IS_ON(SOL_COMPILER_VCXX_I_)
+#if SOL_IS_ON(SOL_COMPILER_VCXX)
 		// MSVC is broken, what a surprise...
 #else
 			noexcept(traits_type::is_noexcept)
@@ -175,7 +175,7 @@ namespace sol { namespace function_detail {
 		}
 
 		int operator()(lua_State* L)
-#if SOL_IS_ON(SOL_COMPILER_VCXX_I_)
+#if SOL_IS_ON(SOL_COMPILER_VCXX)
 		// MSVC is broken, what a surprise...
 #else
 			noexcept(traits_type::is_noexcept)
@@ -191,7 +191,7 @@ namespace sol { namespace function_detail {
 		typedef lua_bind_traits<function_type> traits_type;
 
 		static int real_call(lua_State* L)
-#if SOL_IS_ON(SOL_COMPILER_VCXX_I_)
+#if SOL_IS_ON(SOL_COMPILER_VCXX)
 		// MSVC is broken, what a surprise...
 #else
 			noexcept(traits_type::is_noexcept)
@@ -216,7 +216,7 @@ namespace sol { namespace function_detail {
 
 		template <bool is_yielding, bool no_trampoline>
 		static int call(lua_State* L)
-#if SOL_IS_ON(SOL_COMPILER_VCXX_I_)
+#if SOL_IS_ON(SOL_COMPILER_VCXX)
 		// MSVC is broken, what a surprise...
 #else
 			noexcept(traits_type::is_noexcept)
@@ -238,7 +238,7 @@ namespace sol { namespace function_detail {
 		}
 
 		int operator()(lua_State* L)
-#if SOL_IS_ON(SOL_COMPILER_VCXX_I_)
+#if SOL_IS_ON(SOL_COMPILER_VCXX)
 		// MSVC is broken, what a surprise...
 #else
 			noexcept(traits_type::is_noexcept)
@@ -254,7 +254,7 @@ namespace sol { namespace function_detail {
 		typedef lua_bind_traits<function_type> traits_type;
 
 		static int real_call(lua_State* L)
-#if SOL_IS_ON(SOL_COMPILER_VCXX_I_)
+#if SOL_IS_ON(SOL_COMPILER_VCXX)
 		// MSVC is broken, what a surprise...
 #else
 			noexcept(traits_type::is_noexcept)
@@ -268,7 +268,7 @@ namespace sol { namespace function_detail {
 
 		template <bool is_yielding, bool no_trampoline>
 		static int call(lua_State* L)
-#if SOL_IS_ON(SOL_COMPILER_VCXX_I_)
+#if SOL_IS_ON(SOL_COMPILER_VCXX)
 		// MSVC is broken, what a surprise...
 #else
 			noexcept(traits_type::is_noexcept)
@@ -290,7 +290,7 @@ namespace sol { namespace function_detail {
 		}
 
 		int operator()(lua_State* L)
-#if SOL_IS_ON(SOL_COMPILER_VCXX_I_)
+#if SOL_IS_ON(SOL_COMPILER_VCXX)
 		// MSVC is broken, what a surprise...
 #else
 			noexcept(traits_type::is_noexcept)
@@ -320,7 +320,13 @@ namespace sol { namespace function_detail {
 		}
 
 		template <bool is_yielding, bool no_trampoline>
-		static int call(lua_State* L) noexcept(std::is_nothrow_copy_assignable_v<T>) {
+		static int call(lua_State* L)
+#if SOL_IS_ON(SOL_COMPILER_CLANG)
+		// apparent regression in clang 18 - llvm/llvm-project#91362
+#else
+			noexcept(std::is_nothrow_copy_assignable_v<T>)
+#endif
+		{
 			int nr;
 			if constexpr (no_trampoline) {
 				nr = real_call(L);
@@ -360,7 +366,13 @@ namespace sol { namespace function_detail {
 		}
 
 		template <bool is_yielding, bool no_trampoline>
-		static int call(lua_State* L) noexcept(std::is_nothrow_copy_assignable_v<T>) {
+		static int call(lua_State* L)
+#if SOL_IS_ON(SOL_COMPILER_CLANG)
+		// apparent regression in clang 18 - llvm/llvm-project#91362
+#else
+			noexcept(std::is_nothrow_copy_assignable_v<T>)
+#endif
+		{
 			int nr;
 			if constexpr (no_trampoline) {
 				nr = real_call(L);
diff --git a/extern/sol3/sol/function_types_templated.hpp b/extern/sol3/sol/function_types_templated.hpp
index 2cc892a93c..1cc82d6ea8 100644
--- a/extern/sol3/sol/function_types_templated.hpp
+++ b/extern/sol3/sol/function_types_templated.hpp
@@ -2,7 +2,7 @@
 
 // The MIT License (MIT)
 
-// Copyright (c) 2013-2021 Rapptz, ThePhD and contributors
+// Copyright (c) 2013-2022 Rapptz, ThePhD and contributors
 
 // Permission is hereby granted, free of charge, to any person obtaining a copy of
 // this software and associated documentation files (the "Software"), to deal in
@@ -121,7 +121,7 @@ namespace sol {
 		typedef meta::unqualified_t<F> Fu;
 		typedef std::integral_constant<bool,
 		     std::is_same<Fu, lua_CFunction>::value
-#if SOL_IS_ON(SOL_USE_NOEXCEPT_FUNCTION_TYPE_I_)
+#if SOL_IS_ON(SOL_USE_NOEXCEPT_FUNCTION_TYPE)
 		          || std::is_same<Fu, detail::lua_CFunction_noexcept>::value
 #endif
 		     >
diff --git a/extern/sol3/sol/in_place.hpp b/extern/sol3/sol/in_place.hpp
index 6971629671..2732472e0e 100644
--- a/extern/sol3/sol/in_place.hpp
+++ b/extern/sol3/sol/in_place.hpp
@@ -2,7 +2,7 @@
 
 // The MIT License (MIT)
 
-// Copyright (c) 2013-2021 Rapptz, ThePhD and contributors
+// Copyright (c) 2013-2022 Rapptz, ThePhD and contributors
 
 // Permission is hereby granted, free of charge, to any person obtaining a copy of
 // this software and associated documentation files (the "Software"), to deal in
diff --git a/extern/sol3/sol/inheritance.hpp b/extern/sol3/sol/inheritance.hpp
index 0e7d56137b..3e47c468b3 100644
--- a/extern/sol3/sol/inheritance.hpp
+++ b/extern/sol3/sol/inheritance.hpp
@@ -1,195 +1,195 @@
-// sol2
-
-// The MIT License (MIT)
-
-// Copyright (c) 2013-2021 Rapptz, ThePhD and contributors
-
-// Permission is hereby granted, free of charge, to any person obtaining a copy of
-// this software and associated documentation files (the "Software"), to deal in
-// the Software without restriction, including without limitation the rights to
-// use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of
-// the Software, and to permit persons to whom the Software is furnished to do so,
-// subject to the following conditions:
-
-// The above copyright notice and this permission notice shall be included in all
-// copies or substantial portions of the Software.
-
-// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
-// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS
-// FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR
-// COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER
-// IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
-// CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
-
-#ifndef SOL_INHERITANCE_HPP
-#define SOL_INHERITANCE_HPP
-
-#include <sol/types.hpp>
-#include <sol/usertype_traits.hpp>
-#include <sol/unique_usertype_traits.hpp>
-
-namespace sol {
-	template <typename... Args>
-	struct base_list { };
-	template <typename... Args>
-	using bases = base_list<Args...>;
-
-	typedef bases<> base_classes_tag;
-	const auto base_classes = base_classes_tag();
-
-	template <typename... Args>
-	struct is_to_stringable<base_list<Args...>> : std::false_type { };
-
-	namespace detail {
-
-		inline decltype(auto) base_class_check_key() {
-			static const auto& key = "class_check";
-			return key;
-		}
-
-		inline decltype(auto) base_class_cast_key() {
-			static const auto& key = "class_cast";
-			return key;
-		}
-
-		inline decltype(auto) base_class_index_propogation_key() {
-			static const auto& key = u8"\xF0\x9F\x8C\xB2.index";
-			return key;
-		}
-
-		inline decltype(auto) base_class_new_index_propogation_key() {
-			static const auto& key = u8"\xF0\x9F\x8C\xB2.new_index";
-			return key;
-		}
-
-		template <typename T>
-		struct inheritance {
-			typedef typename base<T>::type bases_t;
-
-			static bool type_check_bases(types<>, const string_view&) {
-				return false;
-			}
-
-			template <typename Base, typename... Args>
-			static bool type_check_bases(types<Base, Args...>, const string_view& ti) {
-				return ti == usertype_traits<Base>::qualified_name() || type_check_bases(types<Args...>(), ti);
-			}
-
-			static bool type_check(const string_view& ti) {
-				return ti == usertype_traits<T>::qualified_name() || type_check_bases(bases_t(), ti);
-			}
-
-			template <typename... Bases>
-			static bool type_check_with(const string_view& ti) {
-				return ti == usertype_traits<T>::qualified_name() || type_check_bases(types<Bases...>(), ti);
-			}
-
-			static void* type_cast_bases(types<>, T*, const string_view&) {
-				return nullptr;
-			}
-
-			template <typename Base, typename... Args>
-			static void* type_cast_bases(types<Base, Args...>, T* data, const string_view& ti) {
-				// Make sure to convert to T first, and then dynamic cast to the proper type
-				return ti != usertype_traits<Base>::qualified_name() ? type_cast_bases(types<Args...>(), data, ti)
-				                                                     : static_cast<void*>(static_cast<Base*>(data));
-			}
-
-			static void* type_cast(void* voiddata, const string_view& ti) {
-				T* data = static_cast<T*>(voiddata);
-				return static_cast<void*>(ti != usertype_traits<T>::qualified_name() ? type_cast_bases(bases_t(), data, ti) : data);
-			}
-
-			template <typename... Bases>
-			static void* type_cast_with(void* voiddata, const string_view& ti) {
-				T* data = static_cast<T*>(voiddata);
-				return static_cast<void*>(ti != usertype_traits<T>::qualified_name() ? type_cast_bases(types<Bases...>(), data, ti) : data);
-			}
-
-			template <typename U>
-			static bool type_unique_cast_bases(types<>, void*, void*, const string_view&) {
-				return 0;
-			}
-
-			template <typename U, typename Base, typename... Args>
-			static int type_unique_cast_bases(types<Base, Args...>, void* source_data, void* target_data, const string_view& ti) {
-				using uu_traits = unique_usertype_traits<U>;
-				using base_ptr = typename uu_traits::template rebind_actual_type<Base>;
-				string_view base_ti = usertype_traits<Base>::qualified_name();
-				if (base_ti == ti) {
-					if (target_data != nullptr) {
-						U* source = static_cast<U*>(source_data);
-						base_ptr* target = static_cast<base_ptr*>(target_data);
-						// perform proper derived -> base conversion
-						*target = *source;
-					}
-					return 2;
-				}
-				return type_unique_cast_bases<U>(types<Args...>(), source_data, target_data, ti);
-			}
-
-			template <typename U>
-			static int type_unique_cast(void* source_data, void* target_data, const string_view& ti, const string_view& rebind_ti) {
-				if constexpr (is_actual_type_rebindable_for_v<U>) {
-					using rebound_actual_type = unique_usertype_rebind_actual_t<U>;
-					using maybe_bases_or_empty = meta::conditional_t<std::is_void_v<rebound_actual_type>, types<>, bases_t>;
-					string_view this_rebind_ti = usertype_traits<rebound_actual_type>::qualified_name();
-					if (rebind_ti != this_rebind_ti) {
-						// this is not even of the same unique type
-						return 0;
-					}
-					string_view this_ti = usertype_traits<T>::qualified_name();
-					if (ti == this_ti) {
-						// direct match, return 1
-						return 1;
-					}
-					return type_unique_cast_bases<U>(maybe_bases_or_empty(), source_data, target_data, ti);
-				}
-				else {
-					(void)rebind_ti;
-					string_view this_ti = usertype_traits<T>::qualified_name();
-					if (ti == this_ti) {
-						// direct match, return 1
-						return 1;
-					}
-					return type_unique_cast_bases<U>(types<>(), source_data, target_data, ti);
-				}
-			}
-
-			template <typename U, typename... Bases>
-			static int type_unique_cast_with(void* source_data, void* target_data, const string_view& ti, const string_view& rebind_ti) {
-				using uc_bases_t = types<Bases...>;
-				if constexpr (is_actual_type_rebindable_for_v<U>) {
-					using rebound_actual_type = unique_usertype_rebind_actual_t<U>;
-					using cond_bases_t = meta::conditional_t<std::is_void_v<rebound_actual_type>, types<>, uc_bases_t>;
-					string_view this_rebind_ti = usertype_traits<rebound_actual_type>::qualified_name();
-					if (rebind_ti != this_rebind_ti) {
-						// this is not even of the same unique type
-						return 0;
-					}
-					string_view this_ti = usertype_traits<T>::qualified_name();
-					if (ti == this_ti) {
-						// direct match, return 1
-						return 1;
-					}
-					return type_unique_cast_bases<U>(cond_bases_t(), source_data, target_data, ti);
-				}
-				else {
-					(void)rebind_ti;
-					string_view this_ti = usertype_traits<T>::qualified_name();
-					if (ti == this_ti) {
-						// direct match, return 1
-						return 1;
-					}
-					return type_unique_cast_bases<U>(types<>(), source_data, target_data, ti);
-				}
-			}
-		};
-
-		using inheritance_check_function = decltype(&inheritance<void>::type_check);
-		using inheritance_cast_function = decltype(&inheritance<void>::type_cast);
-		using inheritance_unique_cast_function = decltype(&inheritance<void>::type_unique_cast<void>);
-	} // namespace detail
-} // namespace sol
-
-#endif // SOL_INHERITANCE_HPP
+// sol2
+
+// The MIT License (MIT)
+
+// Copyright (c) 2013-2022 Rapptz, ThePhD and contributors
+
+// Permission is hereby granted, free of charge, to any person obtaining a copy of
+// this software and associated documentation files (the "Software"), to deal in
+// the Software without restriction, including without limitation the rights to
+// use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of
+// the Software, and to permit persons to whom the Software is furnished to do so,
+// subject to the following conditions:
+
+// The above copyright notice and this permission notice shall be included in all
+// copies or substantial portions of the Software.
+
+// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS
+// FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR
+// COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER
+// IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
+// CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+
+#ifndef SOL_INHERITANCE_HPP
+#define SOL_INHERITANCE_HPP
+
+#include <sol/types.hpp>
+#include <sol/usertype_traits.hpp>
+#include <sol/unique_usertype_traits.hpp>
+
+namespace sol {
+	template <typename... Args>
+	struct base_list { };
+	template <typename... Args>
+	using bases = base_list<Args...>;
+
+	typedef bases<> base_classes_tag;
+	const auto base_classes = base_classes_tag();
+
+	template <typename... Args>
+	struct is_to_stringable<base_list<Args...>> : std::false_type { };
+
+	namespace detail {
+
+		inline decltype(auto) base_class_check_key() {
+			static const auto& key = "class_check";
+			return key;
+		}
+
+		inline decltype(auto) base_class_cast_key() {
+			static const auto& key = "class_cast";
+			return key;
+		}
+
+		inline decltype(auto) base_class_index_propogation_key() {
+			static const auto& key = u8"\xF0\x9F\x8C\xB2.index";
+			return key;
+		}
+
+		inline decltype(auto) base_class_new_index_propogation_key() {
+			static const auto& key = u8"\xF0\x9F\x8C\xB2.new_index";
+			return key;
+		}
+
+		template <typename T>
+		struct inheritance {
+			typedef typename base<T>::type bases_t;
+
+			static bool type_check_bases(types<>, const string_view&) {
+				return false;
+			}
+
+			template <typename Base, typename... Args>
+			static bool type_check_bases(types<Base, Args...>, const string_view& ti) {
+				return ti == usertype_traits<Base>::qualified_name() || type_check_bases(types<Args...>(), ti);
+			}
+
+			static bool type_check(const string_view& ti) {
+				return ti == usertype_traits<T>::qualified_name() || type_check_bases(bases_t(), ti);
+			}
+
+			template <typename... Bases>
+			static bool type_check_with(const string_view& ti) {
+				return ti == usertype_traits<T>::qualified_name() || type_check_bases(types<Bases...>(), ti);
+			}
+
+			static void* type_cast_bases(types<>, T*, const string_view&) {
+				return nullptr;
+			}
+
+			template <typename Base, typename... Args>
+			static void* type_cast_bases(types<Base, Args...>, T* data, const string_view& ti) {
+				// Make sure to convert to T first, and then dynamic cast to the proper type
+				return ti != usertype_traits<Base>::qualified_name() ? type_cast_bases(types<Args...>(), data, ti)
+				                                                     : static_cast<void*>(static_cast<Base*>(data));
+			}
+
+			static void* type_cast(void* voiddata, const string_view& ti) {
+				T* data = static_cast<T*>(voiddata);
+				return static_cast<void*>(ti != usertype_traits<T>::qualified_name() ? type_cast_bases(bases_t(), data, ti) : data);
+			}
+
+			template <typename... Bases>
+			static void* type_cast_with(void* voiddata, const string_view& ti) {
+				T* data = static_cast<T*>(voiddata);
+				return static_cast<void*>(ti != usertype_traits<T>::qualified_name() ? type_cast_bases(types<Bases...>(), data, ti) : data);
+			}
+
+			template <typename U>
+			static bool type_unique_cast_bases(types<>, void*, void*, const string_view&) {
+				return 0;
+			}
+
+			template <typename U, typename Base, typename... Args>
+			static int type_unique_cast_bases(types<Base, Args...>, void* source_data, void* target_data, const string_view& ti) {
+				using uu_traits = unique_usertype_traits<U>;
+				using base_ptr = typename uu_traits::template rebind_actual_type<Base>;
+				string_view base_ti = usertype_traits<Base>::qualified_name();
+				if (base_ti == ti) {
+					if (target_data != nullptr) {
+						U* source = static_cast<U*>(source_data);
+						base_ptr* target = static_cast<base_ptr*>(target_data);
+						// perform proper derived -> base conversion
+						*target = *source;
+					}
+					return 2;
+				}
+				return type_unique_cast_bases<U>(types<Args...>(), source_data, target_data, ti);
+			}
+
+			template <typename U>
+			static int type_unique_cast(void* source_data, void* target_data, const string_view& ti, const string_view& rebind_ti) {
+				if constexpr (is_actual_type_rebindable_for_v<U>) {
+					using rebound_actual_type = unique_usertype_rebind_actual_t<U>;
+					using maybe_bases_or_empty = meta::conditional_t<std::is_void_v<rebound_actual_type>, types<>, bases_t>;
+					string_view this_rebind_ti = usertype_traits<rebound_actual_type>::qualified_name();
+					if (rebind_ti != this_rebind_ti) {
+						// this is not even of the same unique type
+						return 0;
+					}
+					string_view this_ti = usertype_traits<T>::qualified_name();
+					if (ti == this_ti) {
+						// direct match, return 1
+						return 1;
+					}
+					return type_unique_cast_bases<U>(maybe_bases_or_empty(), source_data, target_data, ti);
+				}
+				else {
+					(void)rebind_ti;
+					string_view this_ti = usertype_traits<T>::qualified_name();
+					if (ti == this_ti) {
+						// direct match, return 1
+						return 1;
+					}
+					return type_unique_cast_bases<U>(types<>(), source_data, target_data, ti);
+				}
+			}
+
+			template <typename U, typename... Bases>
+			static int type_unique_cast_with(void* source_data, void* target_data, const string_view& ti, const string_view& rebind_ti) {
+				using uc_bases_t = types<Bases...>;
+				if constexpr (is_actual_type_rebindable_for_v<U>) {
+					using rebound_actual_type = unique_usertype_rebind_actual_t<U>;
+					using cond_bases_t = meta::conditional_t<std::is_void_v<rebound_actual_type>, types<>, uc_bases_t>;
+					string_view this_rebind_ti = usertype_traits<rebound_actual_type>::qualified_name();
+					if (rebind_ti != this_rebind_ti) {
+						// this is not even of the same unique type
+						return 0;
+					}
+					string_view this_ti = usertype_traits<T>::qualified_name();
+					if (ti == this_ti) {
+						// direct match, return 1
+						return 1;
+					}
+					return type_unique_cast_bases<U>(cond_bases_t(), source_data, target_data, ti);
+				}
+				else {
+					(void)rebind_ti;
+					string_view this_ti = usertype_traits<T>::qualified_name();
+					if (ti == this_ti) {
+						// direct match, return 1
+						return 1;
+					}
+					return type_unique_cast_bases<U>(types<>(), source_data, target_data, ti);
+				}
+			}
+		};
+
+		using inheritance_check_function = decltype(&inheritance<void>::type_check);
+		using inheritance_cast_function = decltype(&inheritance<void>::type_cast);
+		using inheritance_unique_cast_function = decltype(&inheritance<void>::type_unique_cast<void>);
+	} // namespace detail
+} // namespace sol
+
+#endif // SOL_INHERITANCE_HPP
diff --git a/extern/sol3/sol/load_result.hpp b/extern/sol3/sol/load_result.hpp
index 4bafd3ee32..2b668bc575 100644
--- a/extern/sol3/sol/load_result.hpp
+++ b/extern/sol3/sol/load_result.hpp
@@ -2,7 +2,7 @@
 
 // The MIT License (MIT)
 
-// Copyright (c) 2013-2021 Rapptz, ThePhD and contributors
+// Copyright (c) 2013-2022 Rapptz, ThePhD and contributors
 
 // Permission is hereby granted, free of charge, to any person obtaining a copy of
 // this software and associated documentation files (the "Software"), to deal in
@@ -39,7 +39,7 @@ namespace sol {
 		load_status err;
 
 	public:
-		load_result() noexcept = default;
+		load_result() noexcept : load_result(nullptr) {}
 		load_result(lua_State* Ls, int stackindex = -1, int retnum = 0, int popnum = 0, load_status lerr = load_status::ok) noexcept
 		: L(Ls), index(stackindex), returncount(retnum), popcount(popnum), err(lerr) {
 		}
@@ -95,7 +95,7 @@ namespace sol {
 					if (valid()) {
 						return UT(nullopt);
 					}
-					return error(detail::direct_error, stack::get<std::string>(L, index));
+					return stack::stack_detail::get_error(L, index);
 				}
 				else {
 					if (!valid()) {
@@ -106,15 +106,15 @@ namespace sol {
 			}
 			else {
 				if constexpr (std::is_same_v<T, error>) {
-#if SOL_IS_ON(SOL_SAFE_PROXIES_I_)
+#if SOL_IS_ON(SOL_SAFE_PROXIES)
 					if (valid()) {
 						type_panic_c_str(L, index, type_of(L, index), type::none, "expecting an error type (a string, from Lua)");
 					}
 #endif // Check proxy type's safety
-					return error(detail::direct_error, stack::get<std::string>(L, index));
+					return stack::stack_detail::get_error(L, index);
 				}
 				else {
-#if SOL_IS_ON(SOL_SAFE_PROXIES_I_)
+#if SOL_IS_ON(SOL_SAFE_PROXIES)
 					if (!valid()) {
 						type_panic_c_str(L, index, type_of(L, index), type::none);
 					}
@@ -142,7 +142,9 @@ namespace sol {
 		};
 
 		~load_result() {
-			stack::remove(L, index, popcount);
+			if (L != nullptr) {
+				stack::remove(L, index, popcount);
+			}
 		}
 	};
 } // namespace sol
diff --git a/extern/sol3/sol/lua_table.hpp b/extern/sol3/sol/lua_table.hpp
index d3f60f5cbb..ce7bdce3e4 100644
--- a/extern/sol3/sol/lua_table.hpp
+++ b/extern/sol3/sol/lua_table.hpp
@@ -1,95 +1,95 @@
-// sol2
-
-// The MIT License (MIT)
-
-// Copyright (c) 2013-2021 Rapptz, ThePhD and contributors
-
-// Permission is hereby granted, free of charge, to any person obtaining a copy of
-// this software and associated documentation files (the "Software"), to deal in
-// the Software without restriction, including without limitation the rights to
-// use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of
-// the Software, and to permit persons to whom the Software is furnished to do so,
-// subject to the following conditions:
-
-// The above copyright notice and this permission notice shall be included in all
-// copies or substantial portions of the Software.
-
-// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
-// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS
-// FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR
-// COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER
-// IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
-// CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
-
-#ifndef SOL_LUA_TABLE_HPP
-#define SOL_LUA_TABLE_HPP
-
-#include <sol/table_core.hpp>
-
-namespace sol {
-
-	template <typename ref_t>
-	struct basic_lua_table : basic_table_core<false, ref_t> {
-	private:
-		using base_t = basic_table_core<false, ref_t>;
-
-		friend class state;
-		friend class state_view;
-
-	public:
-		using base_t::lua_state;
-
-		basic_lua_table() noexcept = default;
-		basic_lua_table(const basic_lua_table&) = default;
-		basic_lua_table(basic_lua_table&&) = default;
-		basic_lua_table& operator=(const basic_lua_table&) = default;
-		basic_lua_table& operator=(basic_lua_table&&) = default;
-		basic_lua_table(const stack_reference& r) : basic_lua_table(r.lua_state(), r.stack_index()) {
-		}
-		basic_lua_table(stack_reference&& r) : basic_lua_table(r.lua_state(), r.stack_index()) {
-		}
-		template <typename T, meta::enable_any<is_lua_reference<meta::unqualified_t<T>>> = meta::enabler>
-		basic_lua_table(lua_State* L, T&& r) : base_t(L, std::forward<T>(r)) {
-#if SOL_IS_ON(SOL_SAFE_REFERENCES_I_)
-			auto pp = stack::push_pop(*this);
-			constructor_handler handler {};
-			stack::check<basic_lua_table>(lua_state(), -1, handler);
-#endif // Safety
-		}
-		basic_lua_table(lua_State* L, const new_table& nt) : base_t(L, nt) {
-			if (!is_stack_based<meta::unqualified_t<ref_t>>::value) {
-				lua_pop(L, 1);
-			}
-		}
-		basic_lua_table(lua_State* L, int index = -1) : base_t(detail::no_safety, L, index) {
-#if SOL_IS_ON(SOL_SAFE_REFERENCES_I_)
-			constructor_handler handler {};
-			stack::check<basic_lua_table>(L, index, handler);
-#endif // Safety
-		}
-		basic_lua_table(lua_State* L, ref_index index) : base_t(detail::no_safety, L, index) {
-#if SOL_IS_ON(SOL_SAFE_REFERENCES_I_)
-			auto pp = stack::push_pop(*this);
-			constructor_handler handler {};
-			stack::check<basic_lua_table>(lua_state(), -1, handler);
-#endif // Safety
-		}
-		template <typename T,
-		     meta::enable<meta::neg<meta::any_same<meta::unqualified_t<T>, basic_lua_table>>, meta::neg<std::is_same<ref_t, stack_reference>>,
-		          meta::neg<std::is_same<lua_nil_t, meta::unqualified_t<T>>>, is_lua_reference<meta::unqualified_t<T>>> = meta::enabler>
-		basic_lua_table(T&& r) noexcept : basic_lua_table(detail::no_safety, std::forward<T>(r)) {
-#if SOL_IS_ON(SOL_SAFE_REFERENCES_I_)
-			if (!is_table<meta::unqualified_t<T>>::value) {
-				auto pp = stack::push_pop(*this);
-				constructor_handler handler {};
-				stack::check<basic_lua_table>(lua_state(), -1, handler);
-			}
-#endif // Safety
-		}
-		basic_lua_table(lua_nil_t r) noexcept : basic_lua_table(detail::no_safety, r) {
-		}
-	};
-
-} // namespace sol
-
-#endif // SOL_LUA_TABLE_HPP
+// sol2
+
+// The MIT License (MIT)
+
+// Copyright (c) 2013-2022 Rapptz, ThePhD and contributors
+
+// Permission is hereby granted, free of charge, to any person obtaining a copy of
+// this software and associated documentation files (the "Software"), to deal in
+// the Software without restriction, including without limitation the rights to
+// use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of
+// the Software, and to permit persons to whom the Software is furnished to do so,
+// subject to the following conditions:
+
+// The above copyright notice and this permission notice shall be included in all
+// copies or substantial portions of the Software.
+
+// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS
+// FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR
+// COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER
+// IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
+// CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+
+#ifndef SOL_LUA_TABLE_HPP
+#define SOL_LUA_TABLE_HPP
+
+#include <sol/table_core.hpp>
+
+namespace sol {
+
+	template <typename ref_t>
+	struct basic_lua_table : basic_table_core<false, ref_t> {
+	private:
+		using base_t = basic_table_core<false, ref_t>;
+
+		friend class state;
+		friend class state_view;
+
+	public:
+		using base_t::lua_state;
+
+		basic_lua_table() noexcept = default;
+		basic_lua_table(const basic_lua_table&) = default;
+		basic_lua_table(basic_lua_table&&) = default;
+		basic_lua_table& operator=(const basic_lua_table&) = default;
+		basic_lua_table& operator=(basic_lua_table&&) = default;
+		basic_lua_table(const stack_reference& r) : basic_lua_table(r.lua_state(), r.stack_index()) {
+		}
+		basic_lua_table(stack_reference&& r) : basic_lua_table(r.lua_state(), r.stack_index()) {
+		}
+		template <typename T, meta::enable_any<is_lua_reference<meta::unqualified_t<T>>> = meta::enabler>
+		basic_lua_table(lua_State* L, T&& r) : base_t(L, std::forward<T>(r)) {
+#if SOL_IS_ON(SOL_SAFE_REFERENCES)
+			auto pp = stack::push_pop(*this);
+			constructor_handler handler {};
+			stack::check<basic_lua_table>(lua_state(), -1, handler);
+#endif // Safety
+		}
+		basic_lua_table(lua_State* L, const new_table& nt) : base_t(L, nt) {
+			if (!is_stack_based<meta::unqualified_t<ref_t>>::value) {
+				lua_pop(L, 1);
+			}
+		}
+		basic_lua_table(lua_State* L, int index = -1) : base_t(detail::no_safety, L, index) {
+#if SOL_IS_ON(SOL_SAFE_REFERENCES)
+			constructor_handler handler {};
+			stack::check<basic_lua_table>(L, index, handler);
+#endif // Safety
+		}
+		basic_lua_table(lua_State* L, ref_index index) : base_t(detail::no_safety, L, index) {
+#if SOL_IS_ON(SOL_SAFE_REFERENCES)
+			auto pp = stack::push_pop(*this);
+			constructor_handler handler {};
+			stack::check<basic_lua_table>(lua_state(), -1, handler);
+#endif // Safety
+		}
+		template <typename T,
+		     meta::enable<meta::neg<meta::any_same<meta::unqualified_t<T>, basic_lua_table>>, meta::neg<std::is_same<ref_t, stack_reference>>,
+		          meta::neg<std::is_same<lua_nil_t, meta::unqualified_t<T>>>, is_lua_reference<meta::unqualified_t<T>>> = meta::enabler>
+		basic_lua_table(T&& r) noexcept : basic_lua_table(detail::no_safety, std::forward<T>(r)) {
+#if SOL_IS_ON(SOL_SAFE_REFERENCES)
+			if (!is_table<meta::unqualified_t<T>>::value) {
+				auto pp = stack::push_pop(*this);
+				constructor_handler handler {};
+				stack::check<basic_lua_table>(lua_state(), -1, handler);
+			}
+#endif // Safety
+		}
+		basic_lua_table(lua_nil_t r) noexcept : basic_lua_table(detail::no_safety, r) {
+		}
+	};
+
+} // namespace sol
+
+#endif // SOL_LUA_TABLE_HPP
diff --git a/extern/sol3/sol/lua_value.hpp b/extern/sol3/sol/lua_value.hpp
index dc94160f4a..25f9bcd6fb 100644
--- a/extern/sol3/sol/lua_value.hpp
+++ b/extern/sol3/sol/lua_value.hpp
@@ -1,162 +1,162 @@
-// sol2
-
-// The MIT License (MIT)
-
-// Copyright (c) 2013-2021 Rapptz, ThePhD and contributors
-
-// Permission is hereby granted, free of charge, to any person obtaining a copy of
-// this software and associated documentation files (the "Software"), to deal in
-// the Software without restriction, including without limitation the rights to
-// use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of
-// the Software, and to permit persons to whom the Software is furnished to do so,
-// subject to the following conditions:
-
-// The above copyright notice and this permission notice shall be included in all
-// copies or substantial portions of the Software.
-
-// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
-// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS
-// FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR
-// COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER
-// IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
-// CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
-
-#ifndef SOL_LUA_VALUE_HPP
-#define SOL_LUA_VALUE_HPP
-
-#include <sol/stack.hpp>
-#include <sol/reference.hpp>
-#include <sol/make_reference.hpp>
-
-namespace sol {
-	struct lua_value {
-	public:
-		struct arr : detail::ebco<std::initializer_list<lua_value>> {
-		private:
-			using base_t = detail::ebco<std::initializer_list<lua_value>>;
-
-		public:
-			using base_t::base_t;
-		};
-
-	private:
-		template <typename T>
-		using is_reference_or_lua_value_init_list
-		     = meta::any<meta::is_specialization_of<T, std::initializer_list>, std::is_same<T, reference>, std::is_same<T, arr>>;
-
-		template <typename T>
-		using is_lua_value_single_constructible = meta::any<std::is_same<T, lua_value>, is_reference_or_lua_value_init_list<T>>;
-
-		static lua_State*& thread_local_lua_state() {
-#if SOL_IS_ON(SOL_USE_THREAD_LOCAL_I_)
-			static thread_local lua_State* L = nullptr;
-#else
-			static lua_State* L = nullptr;
-#endif
-			return L;
-		}
-
-		reference ref_value;
-
-	public:
-		static void set_lua_state(lua_State* L) {
-			thread_local_lua_state() = L;
-		}
-
-		template <typename T, meta::disable<is_reference_or_lua_value_init_list<meta::unqualified_t<T>>> = meta::enabler>
-		lua_value(lua_State* L_, T&& value) : lua_value(((set_lua_state(L_)), std::forward<T>(value))) {
-		}
-
-		template <typename T, meta::disable<is_lua_value_single_constructible<meta::unqualified_t<T>>> = meta::enabler>
-		lua_value(T&& value) : ref_value(make_reference(thread_local_lua_state(), std::forward<T>(value))) {
-		}
-
-		lua_value(lua_State* L_, std::initializer_list<std::pair<lua_value, lua_value>> il)
-		: lua_value([&L_, &il]() {
-			set_lua_state(L_);
-			return std::move(il);
-		}()) {
-		}
-
-		lua_value(std::initializer_list<std::pair<lua_value, lua_value>> il) : ref_value(make_reference(thread_local_lua_state(), std::move(il))) {
-		}
-
-		lua_value(lua_State* L_, arr il)
-		: lua_value([&L_, &il]() {
-			set_lua_state(L_);
-			return std::move(il);
-		}()) {
-		}
-
-		lua_value(arr il) : ref_value(make_reference(thread_local_lua_state(), std::move(il.value()))) {
-		}
-
-		lua_value(lua_State* L_, reference r)
-		: lua_value([&L_, &r]() {
-			set_lua_state(L_);
-			return std::move(r);
-		}()) {
-		}
-
-		lua_value(reference r) : ref_value(std::move(r)) {
-		}
-
-		lua_value(const lua_value&) noexcept = default;
-		lua_value(lua_value&&) = default;
-		lua_value& operator=(const lua_value&) = default;
-		lua_value& operator=(lua_value&&) = default;
-
-		const reference& value() const& {
-			return ref_value;
-		}
-
-		reference& value() & {
-			return ref_value;
-		}
-
-		reference&& value() && {
-			return std::move(ref_value);
-		}
-
-		template <typename T>
-		decltype(auto) as() const {
-			ref_value.push();
-			return stack::pop<T>(ref_value.lua_state());
-		}
-
-		template <typename T>
-		bool is() const {
-			int r = ref_value.registry_index();
-			if (r == LUA_REFNIL)
-				return meta::any_same<meta::unqualified_t<T>, lua_nil_t, nullopt_t, std::nullptr_t>::value ? true : false;
-			if (r == LUA_NOREF)
-				return false;
-			auto pp = stack::push_pop(ref_value);
-			return stack::check<T>(ref_value.lua_state(), -1, &no_panic);
-		}
-	};
-
-	using array_value = typename lua_value::arr;
-
-	namespace stack {
-		template <>
-		struct unqualified_pusher<lua_value> {
-			static int push(lua_State* L, const lua_value& lv) {
-				return stack::push(L, lv.value());
-			}
-
-			static int push(lua_State* L, lua_value&& lv) {
-				return stack::push(L, std::move(lv).value());
-			}
-		};
-
-		template <>
-		struct unqualified_getter<lua_value> {
-			static lua_value get(lua_State* L, int index, record& tracking) {
-				return lua_value(L, stack::get<reference>(L, index, tracking));
-			}
-		};
-	} // namespace stack
-} // namespace sol
-
-#endif // SOL_LUA_VALUE_HPP
+// sol2
+
+// The MIT License (MIT)
+
+// Copyright (c) 2013-2022 Rapptz, ThePhD and contributors
+
+// Permission is hereby granted, free of charge, to any person obtaining a copy of
+// this software and associated documentation files (the "Software"), to deal in
+// the Software without restriction, including without limitation the rights to
+// use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of
+// the Software, and to permit persons to whom the Software is furnished to do so,
+// subject to the following conditions:
+
+// The above copyright notice and this permission notice shall be included in all
+// copies or substantial portions of the Software.
+
+// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS
+// FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR
+// COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER
+// IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
+// CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+
+#ifndef SOL_LUA_VALUE_HPP
+#define SOL_LUA_VALUE_HPP
+
+#include <sol/stack.hpp>
+#include <sol/reference.hpp>
+#include <sol/make_reference.hpp>
+
+namespace sol {
+	struct lua_value {
+	public:
+		struct arr : detail::ebco<std::initializer_list<lua_value>> {
+		private:
+			using base_t = detail::ebco<std::initializer_list<lua_value>>;
+
+		public:
+			using base_t::base_t;
+		};
+
+	private:
+		template <typename T>
+		using is_reference_or_lua_value_init_list
+		     = meta::any<meta::is_specialization_of<T, std::initializer_list>, std::is_same<T, reference>, std::is_same<T, arr>>;
+
+		template <typename T>
+		using is_lua_value_single_constructible = meta::any<std::is_same<T, lua_value>, is_reference_or_lua_value_init_list<T>>;
+
+		static lua_State*& thread_local_lua_state() {
+#if SOL_IS_ON(SOL_USE_THREAD_LOCAL)
+			static thread_local lua_State* L = nullptr;
+#else
+			static lua_State* L = nullptr;
+#endif
+			return L;
+		}
+
+		reference ref_value;
+
+	public:
+		static void set_lua_state(lua_State* L) {
+			thread_local_lua_state() = L;
+		}
+
+		template <typename T, meta::disable<is_reference_or_lua_value_init_list<meta::unqualified_t<T>>> = meta::enabler>
+		lua_value(lua_State* L_, T&& value) : lua_value(((set_lua_state(L_)), std::forward<T>(value))) {
+		}
+
+		template <typename T, meta::disable<is_lua_value_single_constructible<meta::unqualified_t<T>>> = meta::enabler>
+		lua_value(T&& value) : ref_value(make_reference(thread_local_lua_state(), std::forward<T>(value))) {
+		}
+
+		lua_value(lua_State* L_, std::initializer_list<std::pair<lua_value, lua_value>> il)
+		: lua_value([&L_, &il]() {
+			set_lua_state(L_);
+			return std::move(il);
+		}()) {
+		}
+
+		lua_value(std::initializer_list<std::pair<lua_value, lua_value>> il) : ref_value(make_reference(thread_local_lua_state(), std::move(il))) {
+		}
+
+		lua_value(lua_State* L_, arr il)
+		: lua_value([&L_, &il]() {
+			set_lua_state(L_);
+			return std::move(il);
+		}()) {
+		}
+
+		lua_value(arr il) : ref_value(make_reference(thread_local_lua_state(), std::move(il.value()))) {
+		}
+
+		lua_value(lua_State* L_, reference r)
+		: lua_value([&L_, &r]() {
+			set_lua_state(L_);
+			return std::move(r);
+		}()) {
+		}
+
+		lua_value(reference r) : ref_value(std::move(r)) {
+		}
+
+		lua_value(const lua_value&) noexcept = default;
+		lua_value(lua_value&&) = default;
+		lua_value& operator=(const lua_value&) = default;
+		lua_value& operator=(lua_value&&) = default;
+
+		const reference& value() const& {
+			return ref_value;
+		}
+
+		reference& value() & {
+			return ref_value;
+		}
+
+		reference&& value() && {
+			return std::move(ref_value);
+		}
+
+		template <typename T>
+		decltype(auto) as() const {
+			ref_value.push();
+			return stack::pop<T>(ref_value.lua_state());
+		}
+
+		template <typename T>
+		bool is() const {
+			int r = ref_value.registry_index();
+			if (r == LUA_REFNIL)
+				return meta::any_same<meta::unqualified_t<T>, lua_nil_t, nullopt_t, std::nullptr_t>::value ? true : false;
+			if (r == LUA_NOREF)
+				return false;
+			auto pp = stack::push_pop(ref_value);
+			return stack::check<T>(ref_value.lua_state(), -1, &no_panic);
+		}
+	};
+
+	using array_value = typename lua_value::arr;
+
+	namespace stack {
+		template <>
+		struct unqualified_pusher<lua_value> {
+			static int push(lua_State* L, const lua_value& lv) {
+				return stack::push(L, lv.value());
+			}
+
+			static int push(lua_State* L, lua_value&& lv) {
+				return stack::push(L, std::move(lv).value());
+			}
+		};
+
+		template <>
+		struct unqualified_getter<lua_value> {
+			static lua_value get(lua_State* L, int index, record& tracking) {
+				return lua_value(L, stack::get<reference>(L, index, tracking));
+			}
+		};
+	} // namespace stack
+} // namespace sol
+
+#endif // SOL_LUA_VALUE_HPP
diff --git a/extern/sol3/sol/make_reference.hpp b/extern/sol3/sol/make_reference.hpp
index 6b13b1eac4..8e6b6ecdde 100644
--- a/extern/sol3/sol/make_reference.hpp
+++ b/extern/sol3/sol/make_reference.hpp
@@ -2,7 +2,7 @@
 
 // The MIT License (MIT)
 
-// Copyright (c) 2013-2021 Rapptz, ThePhD and contributors
+// Copyright (c) 2013-2022 Rapptz, ThePhD and contributors
 
 // Permission is hereby granted, free of charge, to any person obtaining a copy of
 // this software and associated documentation files (the "Software"), to deal in
diff --git a/extern/sol3/sol/metatable.hpp b/extern/sol3/sol/metatable.hpp
index 7812129360..b1b90fd78b 100644
--- a/extern/sol3/sol/metatable.hpp
+++ b/extern/sol3/sol/metatable.hpp
@@ -2,7 +2,7 @@
 
 // The MIT License (MIT)
 
-// Copyright (c) 2013-2021 Rapptz, ThePhD and contributors
+// Copyright (c) 2013-2022 Rapptz, ThePhD and contributors
 
 // Permission is hereby granted, free of charge, to any person obtaining a copy of
 // this software and associated documentation files (the "Software"), to deal in
@@ -86,20 +86,20 @@ namespace sol {
 		}
 		template <typename T, meta::enable_any<is_lua_reference<meta::unqualified_t<T>>> = meta::enabler>
 		basic_metatable(lua_State* L, T&& r) : base_t(L, std::forward<T>(r)) {
-#if SOL_IS_ON(SOL_SAFE_REFERENCES_I_)
+#if SOL_IS_ON(SOL_SAFE_REFERENCES)
 			auto pp = stack::push_pop(*this);
 			constructor_handler handler {};
 			stack::check<basic_metatable>(lua_state(), -1, handler);
 #endif // Safety
 		}
 		basic_metatable(lua_State* L, int index = -1) : basic_metatable(detail::no_safety, L, index) {
-#if SOL_IS_ON(SOL_SAFE_REFERENCES_I_)
+#if SOL_IS_ON(SOL_SAFE_REFERENCES)
 			constructor_handler handler {};
 			stack::check<basic_metatable>(L, index, handler);
 #endif // Safety
 		}
 		basic_metatable(lua_State* L, ref_index index) : basic_metatable(detail::no_safety, L, index) {
-#if SOL_IS_ON(SOL_SAFE_REFERENCES_I_)
+#if SOL_IS_ON(SOL_SAFE_REFERENCES)
 			auto pp = stack::push_pop(*this);
 			constructor_handler handler {};
 			stack::check<basic_metatable>(lua_state(), -1, handler);
@@ -109,7 +109,7 @@ namespace sol {
 		     meta::enable<meta::neg<meta::any_same<meta::unqualified_t<T>, basic_metatable>>, meta::neg<std::is_same<base_type, stack_reference>>,
 		          meta::neg<std::is_same<lua_nil_t, meta::unqualified_t<T>>>, is_lua_reference<meta::unqualified_t<T>>> = meta::enabler>
 		basic_metatable(T&& r) noexcept : basic_metatable(detail::no_safety, std::forward<T>(r)) {
-#if SOL_IS_ON(SOL_SAFE_REFERENCES_I_)
+#if SOL_IS_ON(SOL_SAFE_REFERENCES)
 			if (!is_table<meta::unqualified_t<T>>::value) {
 				auto pp = stack::push_pop(*this);
 				constructor_handler handler {};
diff --git a/extern/sol3/sol/object.hpp b/extern/sol3/sol/object.hpp
index da39b9f019..991f7114fd 100644
--- a/extern/sol3/sol/object.hpp
+++ b/extern/sol3/sol/object.hpp
@@ -2,7 +2,7 @@
 
 // The MIT License (MIT)
 
-// Copyright (c) 2013-2021 Rapptz, ThePhD and contributors
+// Copyright (c) 2013-2022 Rapptz, ThePhD and contributors
 
 // Permission is hereby granted, free of charge, to any person obtaining a copy of
 // this software and associated documentation files (the "Software"), to deal in
diff --git a/extern/sol3/sol/object_base.hpp b/extern/sol3/sol/object_base.hpp
index ea9b9be160..7164f16b83 100644
--- a/extern/sol3/sol/object_base.hpp
+++ b/extern/sol3/sol/object_base.hpp
@@ -2,7 +2,7 @@
 
 // The MIT License (MIT)
 
-// Copyright (c) 2013-2021 Rapptz, ThePhD and contributors
+// Copyright (c) 2013-2022 Rapptz, ThePhD and contributors
 
 // Permission is hereby granted, free of charge, to any person obtaining a copy of
 // this software and associated documentation files (the "Software"), to deal in
diff --git a/extern/sol3/sol/optional.hpp b/extern/sol3/sol/optional.hpp
index e7edc33dbd..0c46d8bd0a 100644
--- a/extern/sol3/sol/optional.hpp
+++ b/extern/sol3/sol/optional.hpp
@@ -2,7 +2,7 @@
 
 // The MIT License (MIT)
 
-// Copyright (c) 2013-2021 Rapptz, ThePhD and contributors
+// Copyright (c) 2013-2022 Rapptz, ThePhD and contributors
 
 // Permission is hereby granted, free of charge, to any person obtaining a copy of
 // this software and associated documentation files (the "Software"), to deal in
@@ -27,7 +27,7 @@
 #include <sol/forward.hpp>
 #include <sol/in_place.hpp>
 #include <sol/traits.hpp>
-#if SOL_IS_ON(SOL_USE_BOOST_I_)
+#if SOL_IS_ON(SOL_USE_BOOST)
 #include <boost/optional.hpp>
 #else
 #include <sol/optional_implementation.hpp>
@@ -38,7 +38,7 @@
 
 namespace sol {
 
-#if SOL_IS_ON(SOL_USE_BOOST_I_)
+#if SOL_IS_ON(SOL_USE_BOOST)
 	template <typename T>
 	using optional = boost::optional<T>;
 	using nullopt_t = boost::none_t;
@@ -59,14 +59,14 @@ namespace sol {
 			inline static constexpr std::nullopt_t value = std::nullopt;
 		};
 
-#if SOL_IS_ON(SOL_USE_BOOST_I_)
+#if SOL_IS_ON(SOL_USE_BOOST)
 		template <typename T>
 		struct associated_nullopt<boost::optional<T>> {
 			inline static SOL_BOOST_NONE_CONSTEXPR_I_ boost::none_t value = boost::none;
 		};
 #endif // Boost nullopt
 
-#if SOL_IS_ON(SOL_USE_BOOST_I_)
+#if SOL_IS_ON(SOL_USE_BOOST)
 		template <typename T>
 		inline SOL_BOOST_NONE_CONSTEXPR_I_ auto associated_nullopt_v = associated_nullopt<T>::value;
 #else
@@ -76,7 +76,7 @@ namespace sol {
 	} // namespace detail
 } // namespace sol
 
-#if SOL_IS_ON(SOL_USE_BOOST_I_)
+#if SOL_IS_ON(SOL_USE_BOOST)
 #undef SOL_BOOST_NONE_CONSTEXPR_I_
 #endif
 
diff --git a/extern/sol3/sol/optional_implementation.hpp b/extern/sol3/sol/optional_implementation.hpp
index a35df4ec87..976f96589e 100644
--- a/extern/sol3/sol/optional_implementation.hpp
+++ b/extern/sol3/sol/optional_implementation.hpp
@@ -1,6 +1,6 @@
 // The MIT License (MIT)
 
-// Copyright (c) 2013-2021 Rapptz, ThePhD and contributors
+// Copyright (c) 2013-2022 Rapptz, ThePhD and contributors
 
 // Permission is hereby granted, free of charge, to any person obtaining a copy of
 // this software and associated documentation files (the "Software"), to deal in
@@ -1375,7 +1375,7 @@ namespace sol {
 		SOL_TL_OPTIONAL_11_CONSTEXPR T& value() & {
 			if (has_value())
 				return this->m_value;
-#if SOL_IS_OFF(SOL_EXCEPTIONS_I_)
+#if SOL_IS_OFF(SOL_EXCEPTIONS)
 			std::abort();
 #else
 			throw bad_optional_access();
@@ -1386,7 +1386,7 @@ namespace sol {
 		SOL_TL_OPTIONAL_11_CONSTEXPR const T& value() const& {
 			if (has_value())
 				return this->m_value;
-#if SOL_IS_OFF(SOL_EXCEPTIONS_I_)
+#if SOL_IS_OFF(SOL_EXCEPTIONS)
 			std::abort();
 #else
 			throw bad_optional_access();
@@ -1396,7 +1396,7 @@ namespace sol {
 		SOL_TL_OPTIONAL_11_CONSTEXPR T&& value() && {
 			if (has_value())
 				return std::move(this->m_value);
-#if SOL_IS_OFF(SOL_EXCEPTIONS_I_)
+#if SOL_IS_OFF(SOL_EXCEPTIONS)
 			std::abort();
 #else
 			throw bad_optional_access();
@@ -1408,7 +1408,7 @@ namespace sol {
 		SOL_TL_OPTIONAL_11_CONSTEXPR const T&& value() const&& {
 			if (has_value())
 				return std::move(this->m_value);
-#if SOL_IS_OFF(SOL_EXCEPTIONS_I_)
+#if SOL_IS_OFF(SOL_EXCEPTIONS)
 			std::abort();
 #else
 			throw bad_optional_access();
@@ -2186,12 +2186,9 @@ namespace sol {
 		/// one.
 		///
 		/// \group emplace
-		template <class... Args>
-		T& emplace(Args&&... args) noexcept {
-			static_assert(std::is_constructible<T, Args&&...>::value, "T must be constructible with Args");
-
+		T& emplace(T& arg) noexcept {
 			*this = nullopt;
-			new (static_cast<void*>(this)) optional(std::in_place, std::forward<Args>(args)...);
+			m_value = &arg;
 			return **this;
 		}
 
@@ -2251,7 +2248,7 @@ namespace sol {
 		SOL_TL_OPTIONAL_11_CONSTEXPR T& value() {
 			if (has_value())
 				return *m_value;
-#if SOL_IS_OFF(SOL_EXCEPTIONS_I_)
+#if SOL_IS_OFF(SOL_EXCEPTIONS)
 			std::abort();
 #else
 			throw bad_optional_access();
@@ -2262,7 +2259,7 @@ namespace sol {
 		SOL_TL_OPTIONAL_11_CONSTEXPR const T& value() const {
 			if (has_value())
 				return *m_value;
-#if SOL_IS_OFF(SOL_EXCEPTIONS_I_)
+#if SOL_IS_OFF(SOL_EXCEPTIONS)
 			std::abort();
 #else
 			throw bad_optional_access();
diff --git a/extern/sol3/sol/overload.hpp b/extern/sol3/sol/overload.hpp
index 74b7bcf6fa..03d73e42c7 100644
--- a/extern/sol3/sol/overload.hpp
+++ b/extern/sol3/sol/overload.hpp
@@ -2,7 +2,7 @@
 
 // The MIT License (MIT)
 
-// Copyright (c) 2013-2021 Rapptz, ThePhD and contributors
+// Copyright (c) 2013-2022 Rapptz, ThePhD and contributors
 
 // Permission is hereby granted, free of charge, to any person obtaining a copy of
 // this software and associated documentation files (the "Software"), to deal in
@@ -46,4 +46,4 @@ namespace sol {
 	}
 } // namespace sol
 
-#endif // SOL_OVERLOAD_HPP
\ No newline at end of file
+#endif // SOL_OVERLOAD_HPP
diff --git a/extern/sol3/sol/packaged_coroutine.hpp b/extern/sol3/sol/packaged_coroutine.hpp
index 3daaeaad19..d8b3709cf8 100644
--- a/extern/sol3/sol/packaged_coroutine.hpp
+++ b/extern/sol3/sol/packaged_coroutine.hpp
@@ -1,262 +1,262 @@
-// sol2
-
-// The MIT License (MIT)
-
-// Copyright (c) 2013-2021 Rapptz, ThePhD and contributors
-
-// Permission is hereby granted, free of charge, to any person obtaining a copy of
-// this software and associated documentation files (the "Software"), to deal in
-// the Software without restriction, including without limitation the rights to
-// use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of
-// the Software, and to permit persons to whom the Software is furnished to do so,
-// subject to the following conditions:
-
-// The above copyright notice and this permission notice shall be included in all
-// copies or substantial portions of the Software.
-
-// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
-// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS
-// FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR
-// COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER
-// IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
-// CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
-
-#ifndef SOL_PACKAGED_COROUTINE_HPP
-#define SOL_PACKAGED_COROUTINE_HPP
-
-#include <sol/reference.hpp>
-#include <sol/object.hpp>
-#include <sol/stack.hpp>
-#include <sol/function_result.hpp>
-#include <sol/thread.hpp>
-#include <sol/protected_handler.hpp>
-#include <sol/coroutine.hpp>
-
-namespace sol {
-
-#if 0
-
-	class packaged_coroutine {
-	private:
-		lua_State* m_L;
-		sol::stateless_reference m_coroutine_reference;
-		sol::stateless_reference m_error_handler;
-		sol::thread m_thread_reference;
-
-		void luacall(std::ptrdiff_t argcount, std::ptrdiff_t) {
-#if SOL_LUA_VERSION_I_ >= 504
-			int nresults;
-			stats = static_cast<call_status>(lua_resume(lua_state(), nullptr, static_cast<int>(argcount), &nresults));
-#else
-			stats = static_cast<call_status>(lua_resume(lua_state(), nullptr, static_cast<int>(argcount)));
-#endif
-		}
-
-		template <std::size_t... I, typename... Ret>
-		auto invoke(types<Ret...>, std::index_sequence<I...>, std::ptrdiff_t n) {
-			luacall(n, sizeof...(Ret));
-			return stack::pop<std::tuple<Ret...>>(lua_state());
-		}
-
-		template <std::size_t I, typename Ret>
-		Ret invoke(types<Ret>, std::index_sequence<I>, std::ptrdiff_t n) {
-			luacall(n, 1);
-			return stack::pop<Ret>(lua_state());
-		}
-
-		template <std::size_t I>
-		void invoke(types<void>, std::index_sequence<I>, std::ptrdiff_t n) {
-			luacall(n, 0);
-		}
-
-		protected_function_result invoke(types<>, std::index_sequence<>, std::ptrdiff_t n) {
-			int firstreturn = 1;
-			luacall(n, LUA_MULTRET);
-			int poststacksize = lua_gettop(this->lua_state());
-			int returncount = poststacksize - (firstreturn - 1);
-			if (error()) {
-				if (m_error_handler.valid()) {
-					string_view err = stack::get<string_view>(this->lua_state(), poststacksize);
-					m_error_handler.push();
-					stack::push(this->lua_state(), err);
-					lua_call(lua_state(), 1, 1);
-				}
-				return protected_function_result(this->lua_state(), lua_absindex(this->lua_state(), -1), 1, returncount, status());
-			}
-			return protected_function_result(this->lua_state(), firstreturn, returncount, returncount, status());
-		}
-
-	public:
-		using base_t::lua_state;
-
-		basic_packaged_coroutine() = default;
-		template <typename T,
-		     meta::enable<meta::neg<std::is_same<meta::unqualified_t<T>, basic_packaged_coroutine>>,
-		          meta::neg<std::is_base_of<proxy_base_tag, meta::unqualified_t<T>>>, meta::neg<std::is_same<base_t, stack_reference>>,
-		          meta::neg<std::is_same<lua_nil_t, meta::unqualified_t<T>>>, is_lua_reference<meta::unqualified_t<T>>> = meta::enabler>
-		basic_packaged_coroutine(T&& r) noexcept
-		: base_t(std::forward<T>(r)), m_error_handler(detail::get_default_handler<reference, is_main_threaded<base_t>::value>(r.lua_state())) {
-#if SOL_IS_ON(SOL_SAFE_REFERENCES_I_)
-			if (!is_function<meta::unqualified_t<T>>::value) {
-				auto pp = stack::push_pop(*this);
-				constructor_handler handler {};
-				stack::check<basic_packaged_coroutine>(lua_state(), -1, handler);
-			}
-#endif // Safety
-		}
-
-		basic_packaged_coroutine(const basic_packaged_coroutine& other) = default;
-		basic_packaged_coroutine& operator=(const basic_packaged_coroutine&) = default;
-
-		basic_packaged_coroutine(basic_packaged_coroutine&& other) noexcept
-		: base_t(std::move(other)), m_error_handler(this->lua_state(), std::move(other.m_error_handler)) {
-		}
-
-		basic_packaged_coroutine& operator=(basic_packaged_coroutine&& other) noexcept {
-			base_t::operator=(std::move(other));
-			// must change the state, since it could change on the coroutine type
-			m_error_handler.abandon();
-			m_error_handler = handler_t(this->lua_state(), std::move(other.m_error_handler));
-			return *this;
-		}
-
-		basic_packaged_coroutine(const basic_function<base_t>& b) noexcept
-		: basic_packaged_coroutine(b, detail::get_default_handler<reference, is_main_threaded_v<base_t>>(b.lua_state())) {
-		}
-		basic_packaged_coroutine(basic_function<base_t>&& b) noexcept
-		: basic_packaged_coroutine(std::move(b), detail::get_default_handler<reference, is_main_threaded_v<base_t>>(b.lua_state())) {
-		}
-		basic_packaged_coroutine(const basic_function<base_t>& b, handler_t eh) noexcept : base_t(b), m_error_handler(std::move(eh)) {
-		}
-		basic_packaged_coroutine(basic_function<base_t>&& b, handler_t eh) noexcept : base_t(std::move(b)), m_error_handler(std::move(eh)) {
-		}
-		basic_packaged_coroutine(const stack_reference& r) noexcept
-		: basic_packaged_coroutine(r.lua_state(), r.stack_index(), detail::get_default_handler<reference, is_main_threaded<base_t>::value>(r.lua_state())) {
-		}
-		basic_packaged_coroutine(stack_reference&& r) noexcept
-		: basic_packaged_coroutine(r.lua_state(), r.stack_index(), detail::get_default_handler<reference, is_main_threaded<base_t>::value>(r.lua_state())) {
-		}
-		basic_packaged_coroutine(const stack_reference& r, handler_t eh) noexcept : basic_packaged_coroutine(r.lua_state(), r.stack_index(), std::move(eh)) {
-		}
-		basic_packaged_coroutine(stack_reference&& r, handler_t eh) noexcept : basic_packaged_coroutine(r.lua_state(), r.stack_index(), std::move(eh)) {
-		}
-
-		template <typename Super>
-		basic_packaged_coroutine(const proxy_base<Super>& p)
-		: basic_packaged_coroutine(p, detail::get_default_handler<reference, is_main_threaded<base_t>::value>(p.lua_state())) {
-		}
-		template <typename Super>
-		basic_packaged_coroutine(proxy_base<Super>&& p)
-		: basic_packaged_coroutine(std::move(p), detail::get_default_handler<reference, is_main_threaded<base_t>::value>(p.lua_state())) {
-		}
-		template <typename Proxy, typename HandlerReference,
-		     meta::enable<std::is_base_of<proxy_base_tag, meta::unqualified_t<Proxy>>, meta::neg<is_lua_index<meta::unqualified_t<HandlerReference>>>> = meta::enabler>
-		basic_packaged_coroutine(Proxy&& p, HandlerReference&& eh) : basic_packaged_coroutine(detail::force_cast<base_t>(p), std::forward<HandlerReference>(eh)) {
-		}
-
-		template <typename T, meta::enable<is_lua_reference<meta::unqualified_t<T>>> = meta::enabler>
-		basic_packaged_coroutine(lua_State* L, T&& r) noexcept
-		: basic_packaged_coroutine(L, std::forward<T>(r), detail::get_default_handler<reference, is_main_threaded<base_t>::value>(L)) {
-		}
-		template <typename T, meta::enable<is_lua_reference<meta::unqualified_t<T>>> = meta::enabler>
-		basic_packaged_coroutine(lua_State* L, T&& r, handler_t eh) : base_t(L, std::forward<T>(r)), m_error_handler(std::move(eh)) {
-#if SOL_IS_ON(SOL_SAFE_REFERENCES_I_)
-			auto pp = stack::push_pop(*this);
-			constructor_handler handler {};
-			stack::check<basic_packaged_coroutine>(lua_state(), -1, handler);
-#endif // Safety
-		}
-
-		basic_packaged_coroutine(lua_nil_t n) : base_t(n), m_error_handler(n) {
-		}
-
-		basic_packaged_coroutine(lua_State* L, int index = -1)
-		: basic_packaged_coroutine(L, index, detail::get_default_handler<reference, is_main_threaded<base_t>::value>(L)) {
-		}
-		basic_packaged_coroutine(lua_State* L, int index, handler_t eh) : base_t(L, index), m_error_handler(std::move(eh)) {
-#ifdef SOL_SAFE_REFERENCES
-			constructor_handler handler {};
-			stack::check<basic_packaged_coroutine>(L, index, handler);
-#endif // Safety
-		}
-		basic_packaged_coroutine(lua_State* L, absolute_index index)
-		: basic_packaged_coroutine(L, index, detail::get_default_handler<reference, is_main_threaded<base_t>::value>(L)) {
-		}
-		basic_packaged_coroutine(lua_State* L, absolute_index index, handler_t eh) : base_t(L, index), m_error_handler(std::move(eh)) {
-#if SOL_IS_ON(SOL_SAFE_REFERENCES_I_)
-			constructor_handler handler {};
-			stack::check<basic_packaged_coroutine>(L, index, handler);
-#endif // Safety
-		}
-		basic_packaged_coroutine(lua_State* L, raw_index index)
-		: basic_packaged_coroutine(L, index, detail::get_default_handler<reference, is_main_threaded<base_t>::value>(L)) {
-		}
-		basic_packaged_coroutine(lua_State* L, raw_index index, handler_t eh) : base_t(L, index), m_error_handler(std::move(eh)) {
-#if SOL_IS_ON(SOL_SAFE_REFERENCES_I_)
-			constructor_handler handler {};
-			stack::check<basic_packaged_coroutine>(L, index, handler);
-#endif // Safety
-		}
-		basic_packaged_coroutine(lua_State* L, ref_index index)
-		: basic_packaged_coroutine(L, index, detail::get_default_handler<reference, is_main_threaded<base_t>::value>(L)) {
-		}
-		basic_packaged_coroutine(lua_State* L, ref_index index, handler_t eh) : base_t(L, index), m_error_handler(std::move(eh)) {
-#if SOL_IS_ON(SOL_SAFE_REFERENCES_I_)
-			auto pp = stack::push_pop(*this);
-			constructor_handler handler {};
-			stack::check<basic_packaged_coroutine>(lua_state(), -1, handler);
-#endif // Safety
-		}
-
-		call_status status() const noexcept {
-			return stats;
-		}
-
-		bool error() const noexcept {
-			call_status cs = status();
-			return cs != call_status::ok && cs != call_status::yielded;
-		}
-
-		bool runnable() const noexcept {
-			return base_t::valid() && (status() == call_status::yielded);
-		}
-
-		reference error_handler() const noexcept {
-			return reference(m_L, registry_index(m_error_handler.index));
-		}
-
-		set_error_handler(reference new_error_handler) noexcept {
-			this->m_error_handler = stateless_reference(this->m_L, std::move(new_error_handler));
-		}
-
-		explicit operator bool() const noexcept {
-			return runnable();
-		}
-
-		template <typename... Args>
-		protected_function_result operator()(Args&&... args) {
-			return call<>(std::forward<Args>(args)...);
-		}
-
-		template <typename... Ret, typename... Args>
-		decltype(auto) operator()(types<Ret...>, Args&&... args) {
-			return call<Ret...>(std::forward<Args>(args)...);
-		}
-
-		template <typename... Ret, typename... Args>
-		decltype(auto) call(Args&&... args) {
-			// some users screw up coroutine.create
-			// and try to use it with sol::coroutine without ever calling the first resume in Lua
-			// this makes the stack incompatible with other kinds of stacks: protect against this
-			// make sure coroutines don't screw us over
-			base_t::push();
-			int pushcount = stack::multi_push_reference(lua_state(), std::forward<Args>(args)...);
-			return invoke(types<Ret...>(), std::make_index_sequence<sizeof...(Ret)>(), pushcount);
-		}
-	};
-
-#endif
-
-} // namespace sol
-
-#endif // SOL_PACKAGED_COROUTINE_HPP
+// sol2
+
+// The MIT License (MIT)
+
+// Copyright (c) 2013-2022 Rapptz, ThePhD and contributors
+
+// Permission is hereby granted, free of charge, to any person obtaining a copy of
+// this software and associated documentation files (the "Software"), to deal in
+// the Software without restriction, including without limitation the rights to
+// use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of
+// the Software, and to permit persons to whom the Software is furnished to do so,
+// subject to the following conditions:
+
+// The above copyright notice and this permission notice shall be included in all
+// copies or substantial portions of the Software.
+
+// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS
+// FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR
+// COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER
+// IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
+// CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+
+#ifndef SOL_PACKAGED_COROUTINE_HPP
+#define SOL_PACKAGED_COROUTINE_HPP
+
+#include <sol/reference.hpp>
+#include <sol/object.hpp>
+#include <sol/stack.hpp>
+#include <sol/function_result.hpp>
+#include <sol/thread.hpp>
+#include <sol/protected_handler.hpp>
+#include <sol/coroutine.hpp>
+
+namespace sol {
+
+#if 0
+
+	class packaged_coroutine {
+	private:
+		lua_State* m_L;
+		sol::stateless_reference m_coroutine_reference;
+		sol::stateless_reference m_error_handler;
+		sol::thread m_thread_reference;
+
+		void luacall(std::ptrdiff_t argcount, std::ptrdiff_t) {
+#if SOL_LUA_VERSION_I_ >= 504
+			int nresults;
+			stats = static_cast<call_status>(lua_resume(lua_state(), nullptr, static_cast<int>(argcount), &nresults));
+#else
+			stats = static_cast<call_status>(lua_resume(lua_state(), nullptr, static_cast<int>(argcount)));
+#endif
+		}
+
+		template <std::size_t... I, typename... Ret>
+		auto invoke(types<Ret...>, std::index_sequence<I...>, std::ptrdiff_t n) {
+			luacall(n, sizeof...(Ret));
+			return stack::pop<std::tuple<Ret...>>(lua_state());
+		}
+
+		template <std::size_t I, typename Ret>
+		Ret invoke(types<Ret>, std::index_sequence<I>, std::ptrdiff_t n) {
+			luacall(n, 1);
+			return stack::pop<Ret>(lua_state());
+		}
+
+		template <std::size_t I>
+		void invoke(types<void>, std::index_sequence<I>, std::ptrdiff_t n) {
+			luacall(n, 0);
+		}
+
+		protected_function_result invoke(types<>, std::index_sequence<>, std::ptrdiff_t n) {
+			int firstreturn = 1;
+			luacall(n, LUA_MULTRET);
+			int poststacksize = lua_gettop(this->lua_state());
+			int returncount = poststacksize - (firstreturn - 1);
+			if (error()) {
+				if (m_error_handler.valid()) {
+					string_view err = stack::get<string_view>(this->lua_state(), poststacksize);
+					m_error_handler.push();
+					stack::push(this->lua_state(), err);
+					lua_call(lua_state(), 1, 1);
+				}
+				return protected_function_result(this->lua_state(), lua_absindex(this->lua_state(), -1), 1, returncount, status());
+			}
+			return protected_function_result(this->lua_state(), firstreturn, returncount, returncount, status());
+		}
+
+	public:
+		using base_t::lua_state;
+
+		basic_packaged_coroutine() = default;
+		template <typename T,
+		     meta::enable<meta::neg<std::is_same<meta::unqualified_t<T>, basic_packaged_coroutine>>,
+		          meta::neg<std::is_base_of<proxy_base_tag, meta::unqualified_t<T>>>, meta::neg<std::is_same<base_t, stack_reference>>,
+		          meta::neg<std::is_same<lua_nil_t, meta::unqualified_t<T>>>, is_lua_reference<meta::unqualified_t<T>>> = meta::enabler>
+		basic_packaged_coroutine(T&& r) noexcept
+		: base_t(std::forward<T>(r)), m_error_handler(detail::get_default_handler<reference, is_main_threaded<base_t>::value>(r.lua_state())) {
+#if SOL_IS_ON(SOL_SAFE_REFERENCES)
+			if (!is_function<meta::unqualified_t<T>>::value) {
+				auto pp = stack::push_pop(*this);
+				constructor_handler handler {};
+				stack::check<basic_packaged_coroutine>(lua_state(), -1, handler);
+			}
+#endif // Safety
+		}
+
+		basic_packaged_coroutine(const basic_packaged_coroutine& other) = default;
+		basic_packaged_coroutine& operator=(const basic_packaged_coroutine&) = default;
+
+		basic_packaged_coroutine(basic_packaged_coroutine&& other) noexcept
+		: base_t(std::move(other)), m_error_handler(this->lua_state(), std::move(other.m_error_handler)) {
+		}
+
+		basic_packaged_coroutine& operator=(basic_packaged_coroutine&& other) noexcept {
+			base_t::operator=(std::move(other));
+			// must change the state, since it could change on the coroutine type
+			m_error_handler.abandon();
+			m_error_handler = handler_t(this->lua_state(), std::move(other.m_error_handler));
+			return *this;
+		}
+
+		basic_packaged_coroutine(const basic_function<base_t>& b) noexcept
+		: basic_packaged_coroutine(b, detail::get_default_handler<reference, is_main_threaded_v<base_t>>(b.lua_state())) {
+		}
+		basic_packaged_coroutine(basic_function<base_t>&& b) noexcept
+		: basic_packaged_coroutine(std::move(b), detail::get_default_handler<reference, is_main_threaded_v<base_t>>(b.lua_state())) {
+		}
+		basic_packaged_coroutine(const basic_function<base_t>& b, handler_t eh) noexcept : base_t(b), m_error_handler(std::move(eh)) {
+		}
+		basic_packaged_coroutine(basic_function<base_t>&& b, handler_t eh) noexcept : base_t(std::move(b)), m_error_handler(std::move(eh)) {
+		}
+		basic_packaged_coroutine(const stack_reference& r) noexcept
+		: basic_packaged_coroutine(r.lua_state(), r.stack_index(), detail::get_default_handler<reference, is_main_threaded<base_t>::value>(r.lua_state())) {
+		}
+		basic_packaged_coroutine(stack_reference&& r) noexcept
+		: basic_packaged_coroutine(r.lua_state(), r.stack_index(), detail::get_default_handler<reference, is_main_threaded<base_t>::value>(r.lua_state())) {
+		}
+		basic_packaged_coroutine(const stack_reference& r, handler_t eh) noexcept : basic_packaged_coroutine(r.lua_state(), r.stack_index(), std::move(eh)) {
+		}
+		basic_packaged_coroutine(stack_reference&& r, handler_t eh) noexcept : basic_packaged_coroutine(r.lua_state(), r.stack_index(), std::move(eh)) {
+		}
+
+		template <typename Super>
+		basic_packaged_coroutine(const proxy_base<Super>& p)
+		: basic_packaged_coroutine(p, detail::get_default_handler<reference, is_main_threaded<base_t>::value>(p.lua_state())) {
+		}
+		template <typename Super>
+		basic_packaged_coroutine(proxy_base<Super>&& p)
+		: basic_packaged_coroutine(std::move(p), detail::get_default_handler<reference, is_main_threaded<base_t>::value>(p.lua_state())) {
+		}
+		template <typename Proxy, typename HandlerReference,
+		     meta::enable<std::is_base_of<proxy_base_tag, meta::unqualified_t<Proxy>>, meta::neg<is_lua_index<meta::unqualified_t<HandlerReference>>>> = meta::enabler>
+		basic_packaged_coroutine(Proxy&& p, HandlerReference&& eh) : basic_packaged_coroutine(detail::force_cast<base_t>(p), std::forward<HandlerReference>(eh)) {
+		}
+
+		template <typename T, meta::enable<is_lua_reference<meta::unqualified_t<T>>> = meta::enabler>
+		basic_packaged_coroutine(lua_State* L, T&& r) noexcept
+		: basic_packaged_coroutine(L, std::forward<T>(r), detail::get_default_handler<reference, is_main_threaded<base_t>::value>(L)) {
+		}
+		template <typename T, meta::enable<is_lua_reference<meta::unqualified_t<T>>> = meta::enabler>
+		basic_packaged_coroutine(lua_State* L, T&& r, handler_t eh) : base_t(L, std::forward<T>(r)), m_error_handler(std::move(eh)) {
+#if SOL_IS_ON(SOL_SAFE_REFERENCES)
+			auto pp = stack::push_pop(*this);
+			constructor_handler handler {};
+			stack::check<basic_packaged_coroutine>(lua_state(), -1, handler);
+#endif // Safety
+		}
+
+		basic_packaged_coroutine(lua_nil_t n) : base_t(n), m_error_handler(n) {
+		}
+
+		basic_packaged_coroutine(lua_State* L, int index = -1)
+		: basic_packaged_coroutine(L, index, detail::get_default_handler<reference, is_main_threaded<base_t>::value>(L)) {
+		}
+		basic_packaged_coroutine(lua_State* L, int index, handler_t eh) : base_t(L, index), m_error_handler(std::move(eh)) {
+#ifdef SOL_SAFE_REFERENCES
+			constructor_handler handler {};
+			stack::check<basic_packaged_coroutine>(L, index, handler);
+#endif // Safety
+		}
+		basic_packaged_coroutine(lua_State* L, absolute_index index)
+		: basic_packaged_coroutine(L, index, detail::get_default_handler<reference, is_main_threaded<base_t>::value>(L)) {
+		}
+		basic_packaged_coroutine(lua_State* L, absolute_index index, handler_t eh) : base_t(L, index), m_error_handler(std::move(eh)) {
+#if SOL_IS_ON(SOL_SAFE_REFERENCES)
+			constructor_handler handler {};
+			stack::check<basic_packaged_coroutine>(L, index, handler);
+#endif // Safety
+		}
+		basic_packaged_coroutine(lua_State* L, raw_index index)
+		: basic_packaged_coroutine(L, index, detail::get_default_handler<reference, is_main_threaded<base_t>::value>(L)) {
+		}
+		basic_packaged_coroutine(lua_State* L, raw_index index, handler_t eh) : base_t(L, index), m_error_handler(std::move(eh)) {
+#if SOL_IS_ON(SOL_SAFE_REFERENCES)
+			constructor_handler handler {};
+			stack::check<basic_packaged_coroutine>(L, index, handler);
+#endif // Safety
+		}
+		basic_packaged_coroutine(lua_State* L, ref_index index)
+		: basic_packaged_coroutine(L, index, detail::get_default_handler<reference, is_main_threaded<base_t>::value>(L)) {
+		}
+		basic_packaged_coroutine(lua_State* L, ref_index index, handler_t eh) : base_t(L, index), m_error_handler(std::move(eh)) {
+#if SOL_IS_ON(SOL_SAFE_REFERENCES)
+			auto pp = stack::push_pop(*this);
+			constructor_handler handler {};
+			stack::check<basic_packaged_coroutine>(lua_state(), -1, handler);
+#endif // Safety
+		}
+
+		call_status status() const noexcept {
+			return stats;
+		}
+
+		bool error() const noexcept {
+			call_status cs = status();
+			return cs != call_status::ok && cs != call_status::yielded;
+		}
+
+		bool runnable() const noexcept {
+			return base_t::valid() && (status() == call_status::yielded);
+		}
+
+		reference error_handler() const noexcept {
+			return reference(m_L, registry_index(m_error_handler.index));
+		}
+
+		set_error_handler(reference new_error_handler) noexcept {
+			this->m_error_handler = stateless_reference(this->m_L, std::move(new_error_handler));
+		}
+
+		explicit operator bool() const noexcept {
+			return runnable();
+		}
+
+		template <typename... Args>
+		protected_function_result operator()(Args&&... args) {
+			return call<>(std::forward<Args>(args)...);
+		}
+
+		template <typename... Ret, typename... Args>
+		decltype(auto) operator()(types<Ret...>, Args&&... args) {
+			return call<Ret...>(std::forward<Args>(args)...);
+		}
+
+		template <typename... Ret, typename... Args>
+		decltype(auto) call(Args&&... args) {
+			// some users screw up coroutine.create
+			// and try to use it with sol::coroutine without ever calling the first resume in Lua
+			// this makes the stack incompatible with other kinds of stacks: protect against this
+			// make sure coroutines don't screw us over
+			base_t::push();
+			int pushcount = stack::multi_push_reference(lua_state(), std::forward<Args>(args)...);
+			return invoke(types<Ret...>(), std::make_index_sequence<sizeof...(Ret)>(), pushcount);
+		}
+	};
+
+#endif
+
+} // namespace sol
+
+#endif // SOL_PACKAGED_COROUTINE_HPP
diff --git a/extern/sol3/sol/pairs_iterator.hpp b/extern/sol3/sol/pairs_iterator.hpp
index bc882e311e..147a3899e8 100644
--- a/extern/sol3/sol/pairs_iterator.hpp
+++ b/extern/sol3/sol/pairs_iterator.hpp
@@ -1,275 +1,275 @@
-// sol2
-
-// The MIT License (MIT)
-
-// Copyright (c) 2013-2021 Rapptz, ThePhD and contributors
-
-// Permission is hereby granted, free of charge, to any person obtaining a copy of
-// this software and associated documentation files (the "Software"), to deal in
-// the Software without restriction, including without limitation the rights to
-// use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of
-// the Software, and to permit persons to whom the Software is furnished to do so,
-// subject to the following conditions:
-
-// The above copyright notice and this permission notice shall be included in all
-// copies or substantial portions of the Software.
-
-// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
-// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS
-// FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR
-// COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER
-// IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
-// CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
-
-#ifndef SOL_PAIRS_ITERATOR_HPP
-#define SOL_PAIRS_ITERATOR_HPP
-
-#include <sol/version.hpp>
-
-#include <sol/reference.hpp>
-#include <sol/stack_reference.hpp>
-#include <sol/table_iterator.hpp>
-#include <sol/protected_function.hpp>
-
-#include <sol/stack/detail/pairs.hpp>
-
-namespace sol {
-
-	struct pairs_sentinel { };
-
-	class pairs_iterator {
-	private:
-		inline static constexpr int empty_key_index = -1;
-
-	public:
-		using key_type = object;
-		using mapped_type = object;
-		using value_type = std::pair<object, object>;
-		using iterator_category = std::input_iterator_tag;
-		using difference_type = std::ptrdiff_t;
-		using pointer = value_type*;
-		using const_pointer = value_type const*;
-		using reference = value_type&;
-		using const_reference = const value_type&;
-
-		pairs_iterator() noexcept
-		: m_L(nullptr)
-		, m_next_function_ref(lua_nil)
-		, m_table_ref(lua_nil)
-		, m_cached_key_value_pair({ lua_nil, lua_nil })
-		, m_key_index(empty_key_index)
-		, m_iteration_index(0) {
-		}
-
-		pairs_iterator(const pairs_iterator&) = delete;
-		pairs_iterator& operator=(const pairs_iterator&) = delete;
-
-		pairs_iterator(pairs_iterator&& right) noexcept
-		: m_L(right.m_L)
-		, m_next_function_ref(std::move(right.m_next_function_ref))
-		, m_table_ref(std::move(right.m_table_ref))
-		, m_cached_key_value_pair(std::move(right.m_cached_key_value_pair))
-		, m_key_index(right.m_key_index)
-		, m_iteration_index(right.m_iteration_index) {
-			right.m_key_index = empty_key_index;
-		}
-
-		pairs_iterator& operator=(pairs_iterator&& right) noexcept {
-			m_L = right.m_L;
-			m_next_function_ref = std::move(right.m_next_function_ref);
-			m_table_ref = std::move(right.m_table_ref);
-			m_cached_key_value_pair = std::move(right.m_cached_key_value_pair);
-			m_key_index = right.m_key_index;
-			m_iteration_index = right.m_iteration_index;
-			right.m_key_index = empty_key_index;
-			return *this;
-		}
-
-		template <typename Source>
-		pairs_iterator(const Source& source_) noexcept : m_L(source_.lua_state()), m_key_index(empty_key_index), m_iteration_index(0) {
-			if (m_L == nullptr || !source_.valid()) {
-				m_key_index = empty_key_index;
-				return;
-			}
-			int source_index = -source_.push(m_L);
-			int abs_source_index = lua_absindex(m_L, source_index);
-			int metatable_exists = lua_getmetatable(m_L, abs_source_index);
-			lua_remove(m_L, abs_source_index);
-			if (metatable_exists == 1) {
-				// just has a metatable, but does it have __pairs ?
-				stack_reference metatable(m_L, raw_index(abs_source_index));
-				stack::get_field<is_global_table_v<Source>, true>(m_L, meta_function::pairs, metatable.stack_index());
-				optional<protected_function> maybe_pairs_function = stack::pop<optional<protected_function>>(m_L);
-				if (maybe_pairs_function.has_value()) {
-					protected_function& pairs_function = *maybe_pairs_function;
-					protected_function_result next_fn_and_table_and_first_key = pairs_function(source_);
-					if (next_fn_and_table_and_first_key.valid()) {
-						m_next_function_ref = next_fn_and_table_and_first_key.get<protected_function>(0);
-						m_table_ref = next_fn_and_table_and_first_key.get<sol::reference>(1);
-						m_key_index = next_fn_and_table_and_first_key.stack_index() - 1;
-						// remove next function and table
-						lua_remove(m_L, m_key_index);
-						lua_remove(m_L, m_key_index);
-						next_fn_and_table_and_first_key.abandon();
-						lua_remove(m_L, abs_source_index);
-						this->operator++();
-						m_iteration_index = 0;
-						return;
-					}
-				}
-			}
-
-			{
-				auto maybe_next = stack::stack_detail::find_lua_next_function(m_L);
-				if (maybe_next.has_value()) {
-					m_next_function_ref = std::move(*maybe_next);
-					m_table_ref = source_;
-
-					stack::push(m_L, lua_nil);
-					m_key_index = lua_gettop(m_L);
-					this->operator++();
-					m_iteration_index = 0;
-					return;
-				}
-			}
-
-			// okay, so none of the above worked and now we need to create
-			// a shim / polyfill instead
-			stack::push(m_L, &stack::stack_detail::c_lua_next);
-			m_next_function_ref = stack::pop<protected_function>(m_L);
-			m_table_ref = source_;
-			stack::push(m_L, lua_nil);
-			m_key_index = lua_gettop(m_L);
-			this->operator++();
-			m_iteration_index = 0;
-		}
-
-		pairs_iterator& operator++() {
-			if (m_key_index == empty_key_index) {
-				return *this;
-			}
-			{
-				sol::protected_function_result next_results = m_next_function_ref(m_table_ref, stack_reference(m_L, m_key_index));
-				if (!next_results.valid()) {
-					// TODO: abort, or throw an error?
-					m_clear();
-					m_key_index = empty_key_index;
-					return *this;
-				}
-				int next_results_count = next_results.return_count();
-				if (next_results_count < 2) {
-					// iteration is over!
-					next_results.abandon();
-					lua_settop(m_L, m_key_index - 1);
-					m_key_index = empty_key_index;
-					++m_iteration_index;
-					return *this;
-				}
-				else {
-					lua_remove(m_L, m_key_index);
-					m_key_index = next_results.stack_index() - 1;
-					m_cached_key_value_pair.first = stack::get<object>(m_L, m_key_index);
-					m_cached_key_value_pair.second = stack::get<object>(m_L, m_key_index + 1);
-					lua_settop(m_L, m_key_index);
-					next_results.abandon();
-				}
-			}
-			++m_iteration_index;
-			return *this;
-		}
-
-		std::ptrdiff_t index() const {
-			return static_cast<std::ptrdiff_t>(m_iteration_index);
-		}
-
-		const_reference operator*() const noexcept {
-			return m_cached_key_value_pair;
-		}
-
-		reference operator*() noexcept {
-			return m_cached_key_value_pair;
-		}
-
-		friend bool operator==(const pairs_iterator& left, const pairs_iterator& right) noexcept {
-			return left.m_table_ref == right.m_table_ref && left.m_iteration_index == right.m_iteration_index;
-		}
-
-		friend bool operator!=(const pairs_iterator& left, const pairs_iterator& right) noexcept {
-			return left.m_table_ref != right.m_table_ref || left.m_iteration_index != right.m_iteration_index;
-		}
-
-		friend bool operator==(const pairs_iterator& left, const pairs_sentinel&) noexcept {
-			return left.m_key_index == empty_key_index;
-		}
-
-		friend bool operator!=(const pairs_iterator& left, const pairs_sentinel&) noexcept {
-			return left.m_key_index != empty_key_index;
-		}
-
-		friend bool operator==(const pairs_sentinel&, const pairs_iterator& left) noexcept {
-			return left.m_key_index == empty_key_index;
-		}
-
-		friend bool operator!=(const pairs_sentinel&, const pairs_iterator& left) noexcept {
-			return left.m_key_index != empty_key_index;
-		}
-
-		~pairs_iterator() {
-			if (m_key_index != empty_key_index) {
-				m_clear();
-			}
-		}
-
-	private:
-		void m_clear() noexcept {
-			lua_remove(m_L, m_key_index);
-		}
-
-		lua_State* m_L;
-		protected_function m_next_function_ref;
-		sol::reference m_table_ref;
-		std::pair<object, object> m_cached_key_value_pair;
-		int m_key_index;
-		int m_iteration_index;
-	};
-
-	template <typename Source>
-	class basic_pairs_range {
-	private:
-		using source_t = std::add_lvalue_reference_t<Source>;
-		source_t m_source;
-
-	public:
-		using iterator = pairs_iterator;
-		using const_iterator = pairs_iterator;
-
-		basic_pairs_range(source_t source_) noexcept : m_source(source_) {
-		}
-
-		iterator begin() noexcept {
-			return iterator(m_source);
-		}
-
-		iterator begin() const noexcept {
-			return iterator(m_source);
-		}
-
-		const_iterator cbegin() const noexcept {
-			return const_iterator(m_source);
-		}
-
-		pairs_sentinel end() noexcept {
-			return {};
-		}
-
-		pairs_sentinel end() const noexcept {
-			return {};
-		}
-
-		pairs_sentinel cend() const noexcept {
-			return {};
-		}
-	};
-} // namespace sol
-
-#endif // SOL_PAIRS_ITERATOR_HPP
+// sol2
+
+// The MIT License (MIT)
+
+// Copyright (c) 2013-2022 Rapptz, ThePhD and contributors
+
+// Permission is hereby granted, free of charge, to any person obtaining a copy of
+// this software and associated documentation files (the "Software"), to deal in
+// the Software without restriction, including without limitation the rights to
+// use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of
+// the Software, and to permit persons to whom the Software is furnished to do so,
+// subject to the following conditions:
+
+// The above copyright notice and this permission notice shall be included in all
+// copies or substantial portions of the Software.
+
+// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS
+// FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR
+// COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER
+// IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
+// CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+
+#ifndef SOL_PAIRS_ITERATOR_HPP
+#define SOL_PAIRS_ITERATOR_HPP
+
+#include <sol/version.hpp>
+
+#include <sol/reference.hpp>
+#include <sol/stack_reference.hpp>
+#include <sol/table_iterator.hpp>
+#include <sol/protected_function.hpp>
+
+#include <sol/stack/detail/pairs.hpp>
+
+namespace sol {
+
+	struct pairs_sentinel { };
+
+	class pairs_iterator {
+	private:
+		inline static constexpr int empty_key_index = -1;
+
+	public:
+		using key_type = object;
+		using mapped_type = object;
+		using value_type = std::pair<object, object>;
+		using iterator_category = std::input_iterator_tag;
+		using difference_type = std::ptrdiff_t;
+		using pointer = value_type*;
+		using const_pointer = value_type const*;
+		using reference = value_type&;
+		using const_reference = const value_type&;
+
+		pairs_iterator() noexcept
+		: m_L(nullptr)
+		, m_next_function_ref(lua_nil)
+		, m_table_ref(lua_nil)
+		, m_cached_key_value_pair({ lua_nil, lua_nil })
+		, m_key_index(empty_key_index)
+		, m_iteration_index(0) {
+		}
+
+		pairs_iterator(const pairs_iterator&) = delete;
+		pairs_iterator& operator=(const pairs_iterator&) = delete;
+
+		pairs_iterator(pairs_iterator&& right) noexcept
+		: m_L(right.m_L)
+		, m_next_function_ref(std::move(right.m_next_function_ref))
+		, m_table_ref(std::move(right.m_table_ref))
+		, m_cached_key_value_pair(std::move(right.m_cached_key_value_pair))
+		, m_key_index(right.m_key_index)
+		, m_iteration_index(right.m_iteration_index) {
+			right.m_key_index = empty_key_index;
+		}
+
+		pairs_iterator& operator=(pairs_iterator&& right) noexcept {
+			m_L = right.m_L;
+			m_next_function_ref = std::move(right.m_next_function_ref);
+			m_table_ref = std::move(right.m_table_ref);
+			m_cached_key_value_pair = std::move(right.m_cached_key_value_pair);
+			m_key_index = right.m_key_index;
+			m_iteration_index = right.m_iteration_index;
+			right.m_key_index = empty_key_index;
+			return *this;
+		}
+
+		template <typename Source>
+		pairs_iterator(const Source& source_) noexcept : m_L(source_.lua_state()), m_key_index(empty_key_index), m_iteration_index(0) {
+			if (m_L == nullptr || !source_.valid()) {
+				m_key_index = empty_key_index;
+				return;
+			}
+			int source_index = -source_.push(m_L);
+			int abs_source_index = lua_absindex(m_L, source_index);
+			int metatable_exists = lua_getmetatable(m_L, abs_source_index);
+			lua_remove(m_L, abs_source_index);
+			if (metatable_exists == 1) {
+				// just has a metatable, but does it have __pairs ?
+				stack_reference metatable(m_L, raw_index(abs_source_index));
+				stack::get_field<is_global_table_v<Source>, true>(m_L, meta_function::pairs, metatable.stack_index());
+				optional<protected_function> maybe_pairs_function = stack::pop<optional<protected_function>>(m_L);
+				if (maybe_pairs_function.has_value()) {
+					protected_function& pairs_function = *maybe_pairs_function;
+					protected_function_result next_fn_and_table_and_first_key = pairs_function(source_);
+					if (next_fn_and_table_and_first_key.valid()) {
+						m_next_function_ref = next_fn_and_table_and_first_key.get<protected_function>(0);
+						m_table_ref = next_fn_and_table_and_first_key.get<sol::reference>(1);
+						m_key_index = next_fn_and_table_and_first_key.stack_index() - 1;
+						// remove next function and table
+						lua_remove(m_L, m_key_index);
+						lua_remove(m_L, m_key_index);
+						next_fn_and_table_and_first_key.abandon();
+						lua_remove(m_L, abs_source_index);
+						this->operator++();
+						m_iteration_index = 0;
+						return;
+					}
+				}
+			}
+
+			{
+				auto maybe_next = stack::stack_detail::find_lua_next_function(m_L);
+				if (maybe_next.has_value()) {
+					m_next_function_ref = std::move(*maybe_next);
+					m_table_ref = source_;
+
+					stack::push(m_L, lua_nil);
+					m_key_index = lua_gettop(m_L);
+					this->operator++();
+					m_iteration_index = 0;
+					return;
+				}
+			}
+
+			// okay, so none of the above worked and now we need to create
+			// a shim / polyfill instead
+			stack::push(m_L, &stack::stack_detail::c_lua_next);
+			m_next_function_ref = stack::pop<protected_function>(m_L);
+			m_table_ref = source_;
+			stack::push(m_L, lua_nil);
+			m_key_index = lua_gettop(m_L);
+			this->operator++();
+			m_iteration_index = 0;
+		}
+
+		pairs_iterator& operator++() {
+			if (m_key_index == empty_key_index) {
+				return *this;
+			}
+			{
+				sol::protected_function_result next_results = m_next_function_ref(m_table_ref, stack_reference(m_L, m_key_index));
+				if (!next_results.valid()) {
+					// TODO: abort, or throw an error?
+					m_clear();
+					m_key_index = empty_key_index;
+					return *this;
+				}
+				int next_results_count = next_results.return_count();
+				if (next_results_count < 2) {
+					// iteration is over!
+					next_results.abandon();
+					lua_settop(m_L, m_key_index - 1);
+					m_key_index = empty_key_index;
+					++m_iteration_index;
+					return *this;
+				}
+				else {
+					lua_remove(m_L, m_key_index);
+					m_key_index = next_results.stack_index() - 1;
+					m_cached_key_value_pair.first = stack::get<object>(m_L, m_key_index);
+					m_cached_key_value_pair.second = stack::get<object>(m_L, m_key_index + 1);
+					lua_settop(m_L, m_key_index);
+					next_results.abandon();
+				}
+			}
+			++m_iteration_index;
+			return *this;
+		}
+
+		std::ptrdiff_t index() const {
+			return static_cast<std::ptrdiff_t>(m_iteration_index);
+		}
+
+		const_reference operator*() const noexcept {
+			return m_cached_key_value_pair;
+		}
+
+		reference operator*() noexcept {
+			return m_cached_key_value_pair;
+		}
+
+		friend bool operator==(const pairs_iterator& left, const pairs_iterator& right) noexcept {
+			return left.m_table_ref == right.m_table_ref && left.m_iteration_index == right.m_iteration_index;
+		}
+
+		friend bool operator!=(const pairs_iterator& left, const pairs_iterator& right) noexcept {
+			return left.m_table_ref != right.m_table_ref || left.m_iteration_index != right.m_iteration_index;
+		}
+
+		friend bool operator==(const pairs_iterator& left, const pairs_sentinel&) noexcept {
+			return left.m_key_index == empty_key_index;
+		}
+
+		friend bool operator!=(const pairs_iterator& left, const pairs_sentinel&) noexcept {
+			return left.m_key_index != empty_key_index;
+		}
+
+		friend bool operator==(const pairs_sentinel&, const pairs_iterator& left) noexcept {
+			return left.m_key_index == empty_key_index;
+		}
+
+		friend bool operator!=(const pairs_sentinel&, const pairs_iterator& left) noexcept {
+			return left.m_key_index != empty_key_index;
+		}
+
+		~pairs_iterator() {
+			if (m_key_index != empty_key_index) {
+				m_clear();
+			}
+		}
+
+	private:
+		void m_clear() noexcept {
+			lua_remove(m_L, m_key_index);
+		}
+
+		lua_State* m_L;
+		protected_function m_next_function_ref;
+		sol::reference m_table_ref;
+		std::pair<object, object> m_cached_key_value_pair;
+		int m_key_index;
+		int m_iteration_index;
+	};
+
+	template <typename Source>
+	class basic_pairs_range {
+	private:
+		using source_t = std::add_lvalue_reference_t<Source>;
+		source_t m_source;
+
+	public:
+		using iterator = pairs_iterator;
+		using const_iterator = pairs_iterator;
+
+		basic_pairs_range(source_t source_) noexcept : m_source(source_) {
+		}
+
+		iterator begin() noexcept {
+			return iterator(m_source);
+		}
+
+		iterator begin() const noexcept {
+			return iterator(m_source);
+		}
+
+		const_iterator cbegin() const noexcept {
+			return const_iterator(m_source);
+		}
+
+		pairs_sentinel end() noexcept {
+			return {};
+		}
+
+		pairs_sentinel end() const noexcept {
+			return {};
+		}
+
+		pairs_sentinel cend() const noexcept {
+			return {};
+		}
+	};
+} // namespace sol
+
+#endif // SOL_PAIRS_ITERATOR_HPP
diff --git a/extern/sol3/sol/pointer_like.hpp b/extern/sol3/sol/pointer_like.hpp
index f6fe1e2c44..03f35ae37c 100644
--- a/extern/sol3/sol/pointer_like.hpp
+++ b/extern/sol3/sol/pointer_like.hpp
@@ -1,102 +1,103 @@
-// sol2
-
-// The MIT License (MIT)
-
-// Copyright (c) 2013-2021 Rapptz, ThePhD and contributors
-
-// Permission is hereby granted, free of charge, to any person obtaining a copy of
-// this software and associated documentation files (the "Software"), to deal in
-// the Software without restriction, including without limitation the rights to
-// use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of
-// the Software, and to permit persons to whom the Software is furnished to do so,
-// subject to the following conditions:
-
-// The above copyright notice and this permission notice shall be included in all
-// copies or substantial portions of the Software.
-
-// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
-// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS
-// FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR
-// COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER
-// IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
-// CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
-
-#ifndef SOL_POINTER_LIKE_HPP
-#define SOL_POINTER_LIKE_HPP
-
-#include <sol/base_traits.hpp>
-
-#include <utility>
-#include <type_traits>
-
-namespace sol {
-
-	namespace meta {
-		namespace meta_detail {
-			template <typename T>
-			using is_dereferenceable_test = decltype(*std::declval<T>());
-
-			template <typename T>
-			using is_explicitly_dereferenceable_test = decltype(std::declval<T>().operator*());
-		} // namespace meta_detail
-
-		template <typename T>
-		using is_pointer_like = std::integral_constant<bool,
-		     !std::is_array_v<T> && (std::is_pointer_v<T> || is_detected_v<meta_detail::is_explicitly_dereferenceable_test, T>)>;
-
-		template <typename T>
-		constexpr inline bool is_pointer_like_v = is_pointer_like<T>::value;
-	} // namespace meta
-
-	namespace detail {
-
-		template <typename T>
-		auto unwrap(T&& item) -> decltype(std::forward<T>(item)) {
-			return std::forward<T>(item);
-		}
-
-		template <typename T>
-		T& unwrap(std::reference_wrapper<T> arg) {
-			return arg.get();
-		}
-
-		template <typename T>
-		inline decltype(auto) deref(T&& item) {
-			using Tu = meta::unqualified_t<T>;
-			if constexpr (meta::is_pointer_like_v<Tu>) {
-				return *std::forward<T>(item);
-			}
-			else {
-				return std::forward<T>(item);
-			}
-		}
-
-		template <typename T>
-		inline decltype(auto) deref_move_only(T&& item) {
-			using Tu = meta::unqualified_t<T>;
-			if constexpr (meta::is_pointer_like_v<Tu> && !std::is_pointer_v<Tu> && !std::is_copy_constructible_v<Tu>) {
-				return *std::forward<T>(item);
-			}
-			else {
-				return std::forward<T>(item);
-			}
-		}
-
-		template <typename T>
-		inline T* ptr(T& val) {
-			return std::addressof(val);
-		}
-
-		template <typename T>
-		inline T* ptr(std::reference_wrapper<T> val) {
-			return std::addressof(val.get());
-		}
-
-		template <typename T>
-		inline T* ptr(T* val) {
-			return val;
-		}
-	} // namespace detail
-} // namespace sol
-
-#endif // SOL_POINTER_LIKE_HPP
+// sol2
+
+// The MIT License (MIT)
+
+// Copyright (c) 2013-2022 Rapptz, ThePhD and contributors
+
+// Permission is hereby granted, free of charge, to any person obtaining a copy of
+// this software and associated documentation files (the "Software"), to deal in
+// the Software without restriction, including without limitation the rights to
+// use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of
+// the Software, and to permit persons to whom the Software is furnished to do so,
+// subject to the following conditions:
+
+// The above copyright notice and this permission notice shall be included in all
+// copies or substantial portions of the Software.
+
+// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS
+// FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR
+// COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER
+// IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
+// CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+
+#ifndef SOL_POINTER_LIKE_HPP
+#define SOL_POINTER_LIKE_HPP
+
+#include <sol/base_traits.hpp>
+
+#include <utility>
+#include <type_traits>
+#include <memory>
+
+namespace sol {
+
+	namespace meta {
+		namespace meta_detail {
+			template <typename T>
+			using is_dereferenceable_test = decltype(*std::declval<T>());
+
+			template <typename T>
+			using is_explicitly_dereferenceable_test = decltype(std::declval<T>().operator*());
+		} // namespace meta_detail
+
+		template <typename T>
+		using is_pointer_like = std::integral_constant<bool,
+		     !std::is_array_v<T> && (std::is_pointer_v<T> || is_detected_v<meta_detail::is_explicitly_dereferenceable_test, T>)>;
+
+		template <typename T>
+		constexpr inline bool is_pointer_like_v = is_pointer_like<T>::value;
+	} // namespace meta
+
+	namespace detail {
+
+		template <typename T>
+		auto unwrap(T&& item) -> decltype(std::forward<T>(item)) {
+			return std::forward<T>(item);
+		}
+
+		template <typename T>
+		T& unwrap(std::reference_wrapper<T> arg) {
+			return arg.get();
+		}
+
+		template <typename T>
+		inline decltype(auto) deref(T&& item) {
+			using Tu = meta::unqualified_t<T>;
+			if constexpr (meta::is_pointer_like_v<Tu>) {
+				return *std::forward<T>(item);
+			}
+			else {
+				return std::forward<T>(item);
+			}
+		}
+
+		template <typename T>
+		inline decltype(auto) deref_move_only(T&& item) {
+			using Tu = meta::unqualified_t<T>;
+			if constexpr (meta::is_pointer_like_v<Tu> && !std::is_pointer_v<Tu> && !std::is_copy_constructible_v<Tu>) {
+				return *std::forward<T>(item);
+			}
+			else {
+				return std::forward<T>(item);
+			}
+		}
+
+		template <typename T>
+		inline T* ptr(T& val) {
+			return std::addressof(val);
+		}
+
+		template <typename T>
+		inline T* ptr(std::reference_wrapper<T> val) {
+			return std::addressof(val.get());
+		}
+
+		template <typename T>
+		inline T* ptr(T* val) {
+			return val;
+		}
+	} // namespace detail
+} // namespace sol
+
+#endif // SOL_POINTER_LIKE_HPP
diff --git a/extern/sol3/sol/policies.hpp b/extern/sol3/sol/policies.hpp
index 90789b78e3..d373bb897e 100644
--- a/extern/sol3/sol/policies.hpp
+++ b/extern/sol3/sol/policies.hpp
@@ -2,7 +2,7 @@
 
 // The MIT License (MIT)
 
-// Copyright (c) 2013-2021 Rapptz, ThePhD and contributors
+// Copyright (c) 2013-2022 Rapptz, ThePhD and contributors
 
 // Permission is hereby granted, free of charge, to any person obtaining a copy of
 // this software and associated documentation files (the "Software"), to deal in
diff --git a/extern/sol3/sol/prologue.hpp b/extern/sol3/sol/prologue.hpp
index fcd1bb49d8..179822e2aa 100644
--- a/extern/sol3/sol/prologue.hpp
+++ b/extern/sol3/sol/prologue.hpp
@@ -1,47 +1,47 @@
-// sol2
-
-// The MIT License (MIT)
-
-// Copyright (c) 2013-2021 Rapptz, ThePhD and contributors
-
-// Permission is hereby granted, free of charge, to any person obtaining a copy of
-// this software and associated documentation files (the "Software"), to deal in
-// the Software without restriction, including without limitation the rights to
-// use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of
-// the Software, and to permit persons to whom the Software is furnished to do so,
-// subject to the following conditions:
-
-// The above copyright notice and this permission notice shall be included in all
-// copies or substantial portions of the Software.
-
-// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
-// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS
-// FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR
-// COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER
-// IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
-// CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
-
-#pragma once
-
-// clang-format off
-
-#if defined(SOL_PROLOGUE_I_)
-	#error "[sol2] Library Prologue was already included in translation unit and not properly ended with an epilogue."
-#endif
-
-#define SOL_PROLOGUE_I_ 1
-
-
-#if SOL_IS_ON(SOL_BUILD_CXX_MODE_I_)
-	#define _FWD(...) static_cast<decltype( __VA_ARGS__ )&&>( __VA_ARGS__ )
-
-	#if SOL_IS_ON(SOL_COMPILER_GCC_I_) || SOL_IS_ON(SOL_COMPILER_CLANG_I_)
-		#define _MOVE(...) static_cast<__typeof( __VA_ARGS__ )&&>( __VA_ARGS__ )
-	#else
-		#include <type_traits>
-		
-		#define _MOVE(...) static_cast<::std::remove_reference_t<( __VA_ARGS__ )>&&>( __VA_OPT__(,) )
-	#endif
-#endif
-
-// clang-format on
+// sol2
+
+// The MIT License (MIT)
+
+// Copyright (c) 2013-2022 Rapptz, ThePhD and contributors
+
+// Permission is hereby granted, free of charge, to any person obtaining a copy of
+// this software and associated documentation files (the "Software"), to deal in
+// the Software without restriction, including without limitation the rights to
+// use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of
+// the Software, and to permit persons to whom the Software is furnished to do so,
+// subject to the following conditions:
+
+// The above copyright notice and this permission notice shall be included in all
+// copies or substantial portions of the Software.
+
+// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS
+// FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR
+// COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER
+// IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
+// CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+
+#pragma once
+
+// clang-format off
+
+#if defined(SOL_PROLOGUE_I_)
+	#error "[sol2] Library Prologue was already included in translation unit and not properly ended with an epilogue."
+#endif
+
+#define SOL_PROLOGUE_I_ 1
+
+
+#if SOL_IS_ON(SOL_BUILD_CXX_MODE)
+	#define _FWD(...) static_cast<decltype( __VA_ARGS__ )&&>( __VA_ARGS__ )
+
+	#if SOL_IS_ON(SOL_COMPILER_GCC) || SOL_IS_ON(SOL_COMPILER_CLANG)
+		#define _MOVE(...) static_cast<__typeof( __VA_ARGS__ )&&>( __VA_ARGS__ )
+	#else
+		#include <type_traits>
+		
+		#define _MOVE(...) static_cast<::std::remove_reference_t<( __VA_ARGS__ )>&&>( __VA_OPT__(,) )
+	#endif
+#endif
+
+// clang-format on
diff --git a/extern/sol3/sol/property.hpp b/extern/sol3/sol/property.hpp
index 8b818daf0c..c69fd025ea 100644
--- a/extern/sol3/sol/property.hpp
+++ b/extern/sol3/sol/property.hpp
@@ -2,7 +2,7 @@
 
 // The MIT License (MIT)
 
-// Copyright (c) 2013-2021 Rapptz, ThePhD and contributors
+// Copyright (c) 2013-2022 Rapptz, ThePhD and contributors
 
 // Permission is hereby granted, free of charge, to any person obtaining a copy of
 // this software and associated documentation files (the "Software"), to deal in
diff --git a/extern/sol3/sol/protect.hpp b/extern/sol3/sol/protect.hpp
index 8b1221df5b..932ffb70c4 100644
--- a/extern/sol3/sol/protect.hpp
+++ b/extern/sol3/sol/protect.hpp
@@ -2,7 +2,7 @@
 
 // The MIT License (MIT)
 
-// Copyright (c) 2013-2021 Rapptz, ThePhD and contributors
+// Copyright (c) 2013-2022 Rapptz, ThePhD and contributors
 
 // Permission is hereby granted, free of charge, to any person obtaining a copy of
 // this software and associated documentation files (the "Software"), to deal in
diff --git a/extern/sol3/sol/protected_function.hpp b/extern/sol3/sol/protected_function.hpp
index c3e6c66aac..8a2e0ec377 100644
--- a/extern/sol3/sol/protected_function.hpp
+++ b/extern/sol3/sol/protected_function.hpp
@@ -2,7 +2,7 @@
 
 // The MIT License (MIT)
 
-// Copyright (c) 2013-2021 Rapptz, ThePhD and contributors
+// Copyright (c) 2013-2022 Rapptz, ThePhD and contributors
 
 // Permission is hereby granted, free of charge, to any person obtaining a copy of
 // this software and associated documentation files (the "Software"), to deal in
@@ -75,7 +75,7 @@ namespace sol {
 		          meta::neg<std::is_base_of<proxy_base_tag, meta::unqualified_t<T>>>, meta::neg<std::is_same<base_t, stack_reference>>,
 		          meta::neg<std::is_same<lua_nil_t, meta::unqualified_t<T>>>, is_lua_reference<meta::unqualified_t<T>>> = meta::enabler>
 		basic_protected_function(T&& r) noexcept : base_t(std::forward<T>(r)), m_error_handler(get_default_handler(r.lua_state())) {
-#if SOL_IS_ON(SOL_SAFE_REFERENCES_I_)
+#if SOL_IS_ON(SOL_SAFE_REFERENCES)
 			if (!is_function<meta::unqualified_t<T>>::value) {
 				auto pp = stack::push_pop(*this);
 				constructor_handler handler {};
@@ -133,7 +133,7 @@ namespace sol {
 		}
 		template <typename T, meta::enable<is_lua_reference<meta::unqualified_t<T>>> = meta::enabler>
 		basic_protected_function(lua_State* L_, T&& r, handler_t eh) : base_t(L_, std::forward<T>(r)), m_error_handler(std::move(eh)) {
-#if SOL_IS_ON(SOL_SAFE_REFERENCES_I_)
+#if SOL_IS_ON(SOL_SAFE_REFERENCES)
 			auto pp = stack::push_pop(*this);
 			constructor_handler handler {};
 			stack::check<basic_protected_function>(lua_state(), -1, handler);
@@ -146,7 +146,7 @@ namespace sol {
 		basic_protected_function(lua_State* L_, int index_ = -1) : basic_protected_function(L_, index_, get_default_handler(L_)) {
 		}
 		basic_protected_function(lua_State* L_, int index_, handler_t eh) : base_t(L_, index_), m_error_handler(std::move(eh)) {
-#if SOL_IS_ON(SOL_SAFE_REFERENCES_I_)
+#if SOL_IS_ON(SOL_SAFE_REFERENCES)
 			constructor_handler handler {};
 			stack::check<basic_protected_function>(L_, index_, handler);
 #endif // Safety
@@ -154,7 +154,7 @@ namespace sol {
 		basic_protected_function(lua_State* L_, absolute_index index_) : basic_protected_function(L_, index_, get_default_handler(L_)) {
 		}
 		basic_protected_function(lua_State* L_, absolute_index index_, handler_t eh) : base_t(L_, index_), m_error_handler(std::move(eh)) {
-#if SOL_IS_ON(SOL_SAFE_REFERENCES_I_)
+#if SOL_IS_ON(SOL_SAFE_REFERENCES)
 			constructor_handler handler {};
 			stack::check<basic_protected_function>(L_, index_, handler);
 #endif // Safety
@@ -162,7 +162,7 @@ namespace sol {
 		basic_protected_function(lua_State* L_, raw_index index_) : basic_protected_function(L_, index_, get_default_handler(L_)) {
 		}
 		basic_protected_function(lua_State* L_, raw_index index_, handler_t eh) : base_t(L_, index_), m_error_handler(std::move(eh)) {
-#if SOL_IS_ON(SOL_SAFE_REFERENCES_I_)
+#if SOL_IS_ON(SOL_SAFE_REFERENCES)
 			constructor_handler handler {};
 			stack::check<basic_protected_function>(L_, index_, handler);
 #endif // Safety
@@ -170,7 +170,7 @@ namespace sol {
 		basic_protected_function(lua_State* L_, ref_index index_) : basic_protected_function(L_, index_, get_default_handler(L_)) {
 		}
 		basic_protected_function(lua_State* L_, ref_index index_, handler_t eh) : base_t(L_, index_), m_error_handler(std::move(eh)) {
-#if SOL_IS_ON(SOL_SAFE_REFERENCES_I_)
+#if SOL_IS_ON(SOL_SAFE_REFERENCES)
 			auto pp = stack::push_pop(*this);
 			constructor_handler handler {};
 			stack::check<basic_protected_function>(lua_state(), -1, handler);
@@ -339,14 +339,14 @@ namespace sol {
 			int firstreturn = 1;
 			int returncount = 0;
 			call_status code = call_status::ok;
-#if SOL_IS_ON(SOL_EXCEPTIONS_I_) && SOL_IS_OFF(SOL_PROPAGATE_EXCEPTIONS_I_)
+#if SOL_IS_ON(SOL_EXCEPTIONS) && SOL_IS_OFF(SOL_PROPAGATE_EXCEPTIONS)
 			try {
 #endif // No Exceptions
 				firstreturn = (std::max)(1, static_cast<int>(stacksize - n - static_cast<int>(h.valid() && !is_stack_handler_v)));
 				code = luacall(n, LUA_MULTRET, h);
 				poststacksize = lua_gettop(lua_state()) - static_cast<int>(h.valid() && !is_stack_handler_v);
 				returncount = poststacksize - (firstreturn - 1);
-#if SOL_IS_ON(SOL_EXCEPTIONS_I_) && SOL_IS_OFF(SOL_PROPAGATE_EXCEPTIONS_I_)
+#if SOL_IS_ON(SOL_EXCEPTIONS) && SOL_IS_OFF(SOL_PROPAGATE_EXCEPTIONS)
 			}
 			// Handle C++ errors thrown from C++ functions bound inside of lua
 			catch (const char* error) {
@@ -364,7 +364,7 @@ namespace sol {
 				firstreturn = lua_gettop(lua_state());
 				return protected_function_result(lua_state(), firstreturn, 0, 1, call_status::runtime);
 			}
-#if SOL_IS_ON(SOL_EXCEPTIONS_CATCH_ALL_I_)
+#if SOL_IS_ON(SOL_EXCEPTIONS_CATCH_ALL)
 			// LuaJIT cannot have the catchall when the safe propagation is on
 			// but LuaJIT will swallow all C++ errors
 			// if we don't at least catch std::exception ones
diff --git a/extern/sol3/sol/protected_function_result.hpp b/extern/sol3/sol/protected_function_result.hpp
index 52c7823181..2458575c0b 100644
--- a/extern/sol3/sol/protected_function_result.hpp
+++ b/extern/sol3/sol/protected_function_result.hpp
@@ -2,7 +2,7 @@
 
 // The MIT License (MIT)
 
-// Copyright (c) 2013-2021 Rapptz, ThePhD and contributors
+// Copyright (c) 2013-2022 Rapptz, ThePhD and contributors
 
 // Permission is hereby granted, free of charge, to any person obtaining a copy of
 // this software and associated documentation files (the "Software"), to deal in
@@ -54,9 +54,9 @@ namespace sol {
 		typedef std::reverse_iterator<iterator> reverse_iterator;
 		typedef std::reverse_iterator<const_iterator> const_reverse_iterator;
 
-		protected_function_result() noexcept = default;
+		protected_function_result() noexcept : protected_function_result(nullptr) {}
 		protected_function_result(lua_State* Ls, int idx = -1, int retnum = 0, int popped = 0, call_status pferr = call_status::ok) noexcept
-		: L(Ls), index(idx), returncount(retnum), popcount(popped), err(pferr) {
+		: L( Ls), index(idx), returncount(retnum), popcount(popped), err(pferr) {
 		}
 
 		// We do not want anyone to copy these around willy-nilly
@@ -99,6 +99,13 @@ namespace sol {
 			return status() == call_status::ok || status() == call_status::yielded;
 		}
 
+#if SOL_IS_ON(SOL_COMPILER_GCC)
+#pragma GCC diagnostic push
+#if !SOL_IS_ON(SOL_COMPILER_CLANG)
+#pragma GCC diagnostic ignored "-Wmaybe-uninitialized"
+#endif
+#endif
+
 		template <typename T>
 		decltype(auto) get(int index_offset = 0) const {
 			using UT = meta::unqualified_t<T>;
@@ -109,7 +116,7 @@ namespace sol {
 					if (valid()) {
 						return UT();
 					}
-					return UT(error(detail::direct_error, stack::get<std::string>(L, target)));
+					return UT(stack::stack_detail::get_error(L, target));
 				}
 				else {
 					if (!valid()) {
@@ -120,16 +127,16 @@ namespace sol {
 			}
 			else {
 				if constexpr (std::is_same_v<T, error>) {
-#if SOL_IS_ON(SOL_SAFE_PROXIES_I_)
+#if SOL_IS_ON(SOL_SAFE_PROXIES)
 					if (valid()) {
 						type t = type_of(L, target);
 						type_panic_c_str(L, target, t, type::none, "bad get from protected_function_result (is an error)");
 					}
 #endif // Check Argument Safety
-					return error(detail::direct_error, stack::get<std::string>(L, target));
+					return stack::stack_detail::get_error(L, target);
 				}
 				else {
-#if SOL_IS_ON(SOL_SAFE_PROXIES_I_)
+#if SOL_IS_ON(SOL_SAFE_PROXIES)
 					if (!valid()) {
 						type t = type_of(L, target);
 						type_panic_c_str(L, target, t, type::none, "bad get from protected_function_result (is not an error)");
@@ -140,6 +147,10 @@ namespace sol {
 			}
 		}
 
+#if SOL_IS_ON(SOL_COMPILER_GCC)
+#pragma GCC diagnostic pop
+#endif
+
 		type get_type(int index_offset = 0) const noexcept {
 			return type_of(L, index + static_cast<int>(index_offset));
 		}
@@ -216,7 +227,7 @@ namespace sol {
 		template <>
 		struct unqualified_pusher<protected_function_result> {
 			static int push(lua_State* L, const protected_function_result& pfr) {
-#if SOL_IS_ON(SOL_SAFE_STACK_CHECK_I_)
+#if SOL_IS_ON(SOL_SAFE_STACK_CHECK)
 				luaL_checkstack(L, static_cast<int>(pfr.pop_count()), detail::not_enough_stack_space_generic);
 #endif // make sure stack doesn't overflow
 				int p = 0;
diff --git a/extern/sol3/sol/protected_handler.hpp b/extern/sol3/sol/protected_handler.hpp
index 6d40640f02..c42f88758a 100644
--- a/extern/sol3/sol/protected_handler.hpp
+++ b/extern/sol3/sol/protected_handler.hpp
@@ -2,7 +2,7 @@
 
 // The MIT License (MIT)
 
-// Copyright (c) 2013-2021 Rapptz, ThePhD and contributors
+// Copyright (c) 2013-2022 Rapptz, ThePhD and contributors
 
 // Permission is hereby granted, free of charge, to any person obtaining a copy of
 // this software and associated documentation files (the "Software"), to deal in
@@ -92,7 +92,7 @@ namespace sol { namespace detail {
 			return;
 		}
 		if (!ref.valid()) {
-#if SOL_IS_ON(SOL_SAFE_STACK_CHECK_I_)
+#if SOL_IS_ON(SOL_SAFE_STACK_CHECK)
 			luaL_checkstack(L, 1, detail::not_enough_stack_space_generic);
 #endif // make sure stack doesn't overflow
 			lua_pushnil(L);
diff --git a/extern/sol3/sol/proxy_base.hpp b/extern/sol3/sol/proxy_base.hpp
index bae2000d84..c473554aab 100644
--- a/extern/sol3/sol/proxy_base.hpp
+++ b/extern/sol3/sol/proxy_base.hpp
@@ -2,7 +2,7 @@
 
 // The MIT License (MIT)
 
-// Copyright (c) 2013-2021 Rapptz, ThePhD and contributors
+// Copyright (c) 2013-2022 Rapptz, ThePhD and contributors
 
 // Permission is hereby granted, free of charge, to any person obtaining a copy of
 // this software and associated documentation files (the "Software"), to deal in
diff --git a/extern/sol3/sol/raii.hpp b/extern/sol3/sol/raii.hpp
index 10cbb28c8d..629022b485 100644
--- a/extern/sol3/sol/raii.hpp
+++ b/extern/sol3/sol/raii.hpp
@@ -2,7 +2,7 @@
 
 // The MIT License (MIT)
 
-// Copyright (c) 2013-2021 Rapptz, ThePhD and contributors
+// Copyright (c) 2013-2022 Rapptz, ThePhD and contributors
 
 // Permission is hereby granted, free of charge, to any person obtaining a copy of
 // this software and associated documentation files (the "Software"), to deal in
diff --git a/extern/sol3/sol/reference.hpp b/extern/sol3/sol/reference.hpp
index ed296f663a..e7be661abc 100644
--- a/extern/sol3/sol/reference.hpp
+++ b/extern/sol3/sol/reference.hpp
@@ -2,7 +2,7 @@
 
 // The MIT License (MIT)
 
-// Copyright (c) 2013-2021 Rapptz, ThePhD and contributors
+// Copyright (c) 2013-2022 Rapptz, ThePhD and contributors
 
 // Permission is hereby granted, free of charge, to any person obtaining a copy of
 // this software and associated documentation files (the "Software"), to deal in
@@ -289,7 +289,7 @@ namespace sol {
 		}
 
 		stateless_reference(lua_State* L_, global_tag_t) noexcept {
-#if SOL_IS_ON(SOL_SAFE_STACK_CHECK_I_)
+#if SOL_IS_ON(SOL_SAFE_STACK_CHECK)
 			luaL_checkstack(L_, 1, "not enough Lua stack space to push this reference value");
 #endif // make sure stack doesn't overflow
 			lua_pushglobaltable(L_);
@@ -352,7 +352,7 @@ namespace sol {
 		}
 
 		stateless_reference(lua_State* L_, int index = -1) noexcept {
-#if SOL_IS_ON(SOL_SAFE_STACK_CHECK_I_)
+#if SOL_IS_ON(SOL_SAFE_STACK_CHECK)
 			luaL_checkstack(L_, 1, "not enough Lua stack space to push this reference value");
 #endif // make sure stack doesn't overflow
 			lua_pushvalue(L_, index);
@@ -383,7 +383,7 @@ namespace sol {
 		}
 
 		int push(lua_State* L_) const noexcept {
-#if SOL_IS_ON(SOL_SAFE_STACK_CHECK_I_)
+#if SOL_IS_ON(SOL_SAFE_STACK_CHECK)
 			luaL_checkstack(L_, 1, "not enough Lua stack space to push this reference value");
 #endif // make sure stack doesn't overflow
 			lua_rawgeti(L_, LUA_REGISTRYINDEX, ref);
@@ -407,7 +407,7 @@ namespace sol {
 
 		void reset(lua_State* L_, int index_) noexcept {
 			reset(L_);
-#if SOL_IS_ON(SOL_SAFE_STACK_CHECK_I_)
+#if SOL_IS_ON(SOL_SAFE_STACK_CHECK)
 			luaL_checkstack(L_, 1, "not enough Lua stack space to push this reference value");
 #endif // make sure stack doesn't overflow
 			lua_pushvalue(L_, index_);
@@ -616,7 +616,7 @@ namespace sol {
 		}
 		basic_reference(lua_State* L_, int index = -1) noexcept : luastate(detail::pick_main_thread<main_only>(L_, L_)) {
 			// use L_ to stick with that state's execution stack
-#if SOL_IS_ON(SOL_SAFE_STACK_CHECK_I_)
+#if SOL_IS_ON(SOL_SAFE_STACK_CHECK)
 			luaL_checkstack(L_, 1, "not enough Lua stack space to push this reference value");
 #endif // make sure stack doesn't overflow
 			lua_pushvalue(L_, index);
@@ -693,7 +693,7 @@ namespace sol {
 		}
 
 		int push(lua_State* L_) const noexcept {
-#if SOL_IS_ON(SOL_SAFE_STACK_CHECK_I_)
+#if SOL_IS_ON(SOL_SAFE_STACK_CHECK)
 			luaL_checkstack(L_, 1, "not enough Lua stack space to push this reference value");
 #endif // make sure stack doesn't overflow
 			if (lua_state() == nullptr) {
@@ -828,6 +828,8 @@ namespace sol {
 		stateless_reference_equals(lua_State* L_) noexcept : stateless_stack_reference_equals(L_) {
 		}
 
+		using stateless_stack_reference_equals::operator();
+
 		bool operator()(const lua_nil_t& lhs, const stateless_reference& rhs) const noexcept {
 			return rhs.equals(lua_state(), lhs);
 		}
@@ -839,6 +841,14 @@ namespace sol {
 		bool operator()(const stateless_reference& lhs, const stateless_reference& rhs) const noexcept {
 			return lhs.equals(lua_state(), rhs);
 		}
+
+		bool operator()(const stateless_stack_reference& lhs, const stateless_reference& rhs) const noexcept {
+			return rhs.equals(lua_state(), lhs);
+		}
+
+		bool operator()(const stateless_reference& lhs, const stateless_stack_reference& rhs) const noexcept {
+			return lhs.equals(lua_state(), rhs);
+		}
 	};
 
 	struct reference_equals : public stack_reference_equals {
@@ -878,6 +888,8 @@ namespace sol {
 		stateless_reference_hash(lua_State* L_) noexcept : stateless_stack_reference_hash(L_) {
 		}
 
+		using stateless_stack_reference_hash::operator();
+
 		result_type operator()(const stateless_reference& lhs) const noexcept {
 			std::hash<const void*> h;
 			return h(lhs.pointer(lua_state()));
diff --git a/extern/sol3/sol/resolve.hpp b/extern/sol3/sol/resolve.hpp
index 2cbc8d2f5f..513af96715 100644
--- a/extern/sol3/sol/resolve.hpp
+++ b/extern/sol3/sol/resolve.hpp
@@ -2,7 +2,7 @@
 
 // The MIT License (MIT)
 
-// Copyright (c) 2013-2021 Rapptz, ThePhD and contributors
+// Copyright (c) 2013-2022 Rapptz, ThePhD and contributors
 
 // Permission is hereby granted, free of charge, to any person obtaining a copy of
 // this software and associated documentation files (the "Software"), to deal in
diff --git a/extern/sol3/sol/sol.hpp b/extern/sol3/sol/sol.hpp
index dc30088306..1a2a4b99e8 100644
--- a/extern/sol3/sol/sol.hpp
+++ b/extern/sol3/sol/sol.hpp
@@ -1,6 +1,6 @@
 // The MIT License (MIT)
 
-// Copyright (c) 2013-2021 Rapptz, ThePhD and contributors
+// Copyright (c) 2013-2022 Rapptz, ThePhD and contributors
 
 // Permission is hereby granted, free of charge, to any person obtaining a copy of
 // this software and associated documentation files (the "Software"), to deal in
@@ -24,23 +24,23 @@
 
 #include <sol/version.hpp>
 
-#if SOL_IS_ON(SOL_INSIDE_UNREAL_ENGINE_I_)
+#if SOL_IS_ON(SOL_INSIDE_UNREAL_ENGINE)
 #ifdef check
 #pragma push_macro("check")
 #undef check
 #endif
 #endif // Unreal Engine 4 Bullshit
 
-#if SOL_IS_ON(SOL_COMPILER_GCC_I_)
+#if SOL_IS_ON(SOL_COMPILER_GCC)
 #pragma GCC diagnostic push
 #pragma GCC diagnostic ignored "-Wshadow"
 #pragma GCC diagnostic ignored "-Wconversion"
 #if __GNUC__ > 6
 #pragma GCC diagnostic ignored "-Wnoexcept-type"
 #endif
-#elif SOL_IS_ON(SOL_COMPILER_CLANG_I_)
+#elif SOL_IS_ON(SOL_COMPILER_CLANG)
 // we'll just let this alone for now
-#elif SOL_IS_ON(SOL_COMPILER_VCXX_I_)
+#elif SOL_IS_ON(SOL_COMPILER_VCXX)
 #pragma warning(push)
 #pragma warning(disable : 4505) // unreferenced local function has been removed GEE THANKS
 #endif                          // clang++ vs. g++ vs. VC++
@@ -65,13 +65,15 @@
 #include <sol/variadic_results.hpp>
 #include <sol/lua_value.hpp>
 
-#if SOL_IS_ON(SOL_COMPILER_GCC_I_)
+#if SOL_IS_ON(SOL_COMPILER_GCC)
 #pragma GCC diagnostic pop
-#elif SOL_IS_ON(SOL_COMPILER_VCXX_I_)
+#elif SOL_IS_ON(SOL_COMPILER_CLANG)
+// we'll just let this alone for now
+#elif SOL_IS_ON(SOL_COMPILER_VCXX)
 #pragma warning(pop)
 #endif // g++
 
-#if SOL_IS_ON(SOL_INSIDE_UNREAL_ENGINE_I_)
+#if SOL_IS_ON(SOL_INSIDE_UNREAL_ENGINE)
 #undef check
 #pragma pop_macro("check")
 #endif // Unreal Engine 4 Bullshit
diff --git a/extern/sol3/sol/stack.hpp b/extern/sol3/sol/stack.hpp
index c01bda337f..d8e077f774 100644
--- a/extern/sol3/sol/stack.hpp
+++ b/extern/sol3/sol/stack.hpp
@@ -1,351 +1,384 @@
-// sol2
-
-// The MIT License (MIT)
-
-// Copyright (c) 2013-2021 Rapptz, ThePhD and contributors
-
-// Permission is hereby granted, free of charge, to any person obtaining a copy of
-// this software and associated documentation files (the "Software"), to deal in
-// the Software without restriction, including without limitation the rights to
-// use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of
-// the Software, and to permit persons to whom the Software is furnished to do so,
-// subject to the following conditions:
-
-// The above copyright notice and this permission notice shall be included in all
-// copies or substantial portions of the Software.
-
-// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
-// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS
-// FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR
-// COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER
-// IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
-// CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
-
-#ifndef SOL_STACK_HPP
-#define SOL_STACK_HPP
-
-#include <sol/trampoline.hpp>
-#include <sol/stack_core.hpp>
-#include <sol/stack_reference.hpp>
-#include <sol/stack_check.hpp>
-#include <sol/stack_get.hpp>
-#include <sol/stack_check_get.hpp>
-#include <sol/stack_push.hpp>
-#include <sol/stack_pop.hpp>
-#include <sol/stack_field.hpp>
-#include <sol/stack_probe.hpp>
-
-#include <cstring>
-#include <array>
-
-namespace sol {
-	namespace detail {
-		using typical_chunk_name_t = char[SOL_ID_SIZE_I_];
-		using typical_file_chunk_name_t = char[SOL_FILE_ID_SIZE_I_];
-
-		inline const std::string& default_chunk_name() {
-			static const std::string name = "";
-			return name;
-		}
-
-		template <std::size_t N>
-		const char* make_chunk_name(const string_view& code, const std::string& chunkname, char (&basechunkname)[N]) {
-			if (chunkname.empty()) {
-				auto it = code.cbegin();
-				auto e = code.cend();
-				std::size_t i = 0;
-				static const std::size_t n = N - 4;
-				for (i = 0; i < n && it != e; ++i, ++it) {
-					basechunkname[i] = *it;
-				}
-				if (it != e) {
-					for (std::size_t c = 0; c < 3; ++i, ++c) {
-						basechunkname[i] = '.';
-					}
-				}
-				basechunkname[i] = '\0';
-				return &basechunkname[0];
-			}
-			else {
-				return chunkname.c_str();
-			}
-		}
-
-		inline void clear_entries(stack_reference r) {
-			stack::push(r.lua_state(), lua_nil);
-			while (lua_next(r.lua_state(), -2)) {
-				absolute_index key(r.lua_state(), -2);
-				auto pn = stack::pop_n(r.lua_state(), 1);
-				stack::set_field<false, true>(r.lua_state(), key, lua_nil, r.stack_index());
-			}
-		}
-
-		inline void clear_entries(const reference& registry_reference) {
-			auto pp = stack::push_pop(registry_reference);
-			stack_reference ref(registry_reference.lua_state(), -1);
-			clear_entries(ref);
-		}
-	} // namespace detail
-
-	namespace stack {
-		namespace stack_detail {
-			template <typename T>
-			inline int push_as_upvalues(lua_State* L, T& item) {
-				typedef std::decay_t<T> TValue;
-				static const std::size_t itemsize = sizeof(TValue);
-				static const std::size_t voidsize = sizeof(void*);
-				static const std::size_t voidsizem1 = voidsize - 1;
-				static const std::size_t data_t_count = (sizeof(TValue) + voidsizem1) / voidsize;
-				typedef std::array<void*, data_t_count> data_t;
-
-				data_t data { {} };
-				std::memcpy(&data[0], std::addressof(item), itemsize);
-				int pushcount = 0;
-				for (const auto& v : data) {
-					lua_pushlightuserdata(L, v);
-					pushcount += 1;
-				}
-				return pushcount;
-			}
-
-			template <typename T>
-			inline std::pair<T, int> get_as_upvalues(lua_State* L, int index = 2) {
-				static const std::size_t data_t_count = (sizeof(T) + (sizeof(void*) - 1)) / sizeof(void*);
-				typedef std::array<void*, data_t_count> data_t;
-				data_t voiddata { {} };
-				for (std::size_t i = 0, d = 0; d < sizeof(T); ++i, d += sizeof(void*)) {
-					voiddata[i] = lua_touserdata(L, upvalue_index(index++));
-				}
-				return std::pair<T, int>(*reinterpret_cast<T*>(static_cast<void*>(voiddata.data())), index);
-			}
-
-			template <typename T>
-			inline std::pair<T, int> get_as_upvalues_using_function(lua_State* L, int function_index = -1) {
-				static const std::size_t data_t_count = (sizeof(T) + (sizeof(void*) - 1)) / sizeof(void*);
-				typedef std::array<void*, data_t_count> data_t;
-				function_index = lua_absindex(L, function_index);
-				int index = 0;
-				data_t voiddata { {} };
-				for (std::size_t d = 0; d < sizeof(T); d += sizeof(void*)) {
-					// first upvalue is nullptr to respect environment shenanigans
-					// So +2 instead of +1
-					const char* upvalue_name = lua_getupvalue(L, function_index, index + 2);
-					if (upvalue_name == nullptr) {
-						// We should freak out here...
-						break;
-					}
-					voiddata[index] = lua_touserdata(L, -1);
-					++index;
-				}
-				lua_pop(L, index);
-				return std::pair<T, int>(*reinterpret_cast<T*>(static_cast<void*>(voiddata.data())), index);
-			}
-
-			template <bool checked, typename Handler, typename Fx, typename... Args>
-			static decltype(auto) eval(types<>, std::index_sequence<>, lua_State*, int, Handler&&, record&, Fx&& fx, Args&&... args) {
-				return std::forward<Fx>(fx)(std::forward<Args>(args)...);
-			}
-
-			template <bool checked, typename Arg, typename... Args, std::size_t I, std::size_t... Is, typename Handler, typename Fx, typename... FxArgs>
-			static decltype(auto) eval(types<Arg, Args...>, std::index_sequence<I, Is...>, lua_State* L_, int start_index_, Handler&& handler_,
-			     record& tracking_, Fx&& fx_, FxArgs&&... fxargs_) {
-#if SOL_IS_ON(SOL_PROPAGATE_EXCEPTIONS_I_)
-				// We can save performance/time by letting errors unwind produced arguments
-				// rather than checking everything once, and then potentially re-doing work
-				if constexpr (checked) {
-					return eval<checked>(types<Args...>(),
-					     std::index_sequence<Is...>(),
-					     L_,
-					     start_index_,
-					     std::forward<Handler>(handler_),
-					     tracking_,
-					     std::forward<Fx>(fx_),
-					     std::forward<FxArgs>(fxargs_)...,
-					     *stack_detail::check_get_arg<Arg>(L_, start_index_ + tracking_.used, handler_, tracking_));
-				}
-				else
-#endif
-				{
-					return eval<checked>(types<Args...>(),
-					     std::index_sequence<Is...>(),
-					     L_,
-					     start_index_,
-					     std::forward<Handler>(handler_),
-					     tracking_,
-					     std::forward<Fx>(fx_),
-					     std::forward<FxArgs>(fxargs_)...,
-					     stack_detail::unchecked_get_arg<Arg>(L_, start_index_ + tracking_.used, tracking_));
-				}
-			}
-
-			template <bool checkargs = detail::default_safe_function_calls, std::size_t... I, typename R, typename... Args, typename Fx, typename... FxArgs>
-			inline decltype(auto) call(types<R>, types<Args...> argument_types_, std::index_sequence<I...> argument_indices_, lua_State* L_,
-			     int start_index_, Fx&& fx_, FxArgs&&... args_) {
-				static_assert(meta::all_v<meta::is_not_move_only<Args>...>,
-				     "One of the arguments being bound is a move-only type, and it is not being taken by reference: this will break your code. Please take "
-				     "a reference and std::move it manually if this was your intention.");
-				argument_handler<types<R, Args...>> handler {};
-				record tracking {};
-#if SOL_IS_OFF(SOL_PROPAGATE_EXCEPTIONS_I_)
-				if constexpr (checkargs) {
-					multi_check<Args...>(L_, start_index_, handler);
-				}
-#endif
-				if constexpr (std::is_void_v<R>) {
-					eval<checkargs>(
-					     argument_types_, argument_indices_, L_, start_index_, handler, tracking, std::forward<Fx>(fx_), std::forward<FxArgs>(args_)...);
-				}
-				else {
-					return eval<checkargs>(
-					     argument_types_, argument_indices_, L_, start_index_, handler, tracking, std::forward<Fx>(fx_), std::forward<FxArgs>(args_)...);
-				}
-			}
-		} // namespace stack_detail
-
-		template <typename T>
-		int set_ref(lua_State* L, T&& arg, int tableindex = -2) {
-			push(L, std::forward<T>(arg));
-			return luaL_ref(L, tableindex);
-		}
-
-		template <bool check_args = detail::default_safe_function_calls, typename R, typename... Args, typename Fx, typename... FxArgs>
-		inline decltype(auto) call(types<R> tr, types<Args...> ta, lua_State* L, int start, Fx&& fx, FxArgs&&... args) {
-			using args_indices = std::make_index_sequence<sizeof...(Args)>;
-			if constexpr (std::is_void_v<R>) {
-				stack_detail::call<check_args>(tr, ta, args_indices(), L, start, std::forward<Fx>(fx), std::forward<FxArgs>(args)...);
-			}
-			else {
-				return stack_detail::call<check_args>(tr, ta, args_indices(), L, start, std::forward<Fx>(fx), std::forward<FxArgs>(args)...);
-			}
-		}
-
-		template <bool check_args = detail::default_safe_function_calls, typename R, typename... Args, typename Fx, typename... FxArgs>
-		inline decltype(auto) call(types<R> tr, types<Args...> ta, lua_State* L, Fx&& fx, FxArgs&&... args) {
-			if constexpr (std::is_void_v<R>) {
-				call<check_args>(tr, ta, L, 1, std::forward<Fx>(fx), std::forward<FxArgs>(args)...);
-			}
-			else {
-				return call<check_args>(tr, ta, L, 1, std::forward<Fx>(fx), std::forward<FxArgs>(args)...);
-			}
-		}
-
-		template <bool check_args = detail::default_safe_function_calls, typename R, typename... Args, typename Fx, typename... FxArgs>
-		inline decltype(auto) call_from_top(types<R> tr, types<Args...> ta, lua_State* L, Fx&& fx, FxArgs&&... args) {
-			using expected_count_t = meta::count_for_pack<lua_size, Args...>;
-			if constexpr (std::is_void_v<R>) {
-				call<check_args>(tr,
-				     ta,
-				     L,
-				     (std::max)(static_cast<int>(lua_gettop(L) - expected_count_t::value), static_cast<int>(0)),
-				     std::forward<Fx>(fx),
-				     std::forward<FxArgs>(args)...);
-			}
-			else {
-				return call<check_args>(tr,
-				     ta,
-				     L,
-				     (std::max)(static_cast<int>(lua_gettop(L) - expected_count_t::value), static_cast<int>(0)),
-				     std::forward<Fx>(fx),
-				     std::forward<FxArgs>(args)...);
-			}
-		}
-
-		template <bool check_args = detail::default_safe_function_calls, bool clean_stack = true, typename Ret0, typename... Ret, typename... Args,
-		     typename Fx, typename... FxArgs>
-		inline int call_into_lua(types<Ret0, Ret...> tr, types<Args...> ta, lua_State* L, int start, Fx&& fx, FxArgs&&... fxargs) {
-			if constexpr (std::is_void_v<Ret0>) {
-				call<check_args>(tr, ta, L, start, std::forward<Fx>(fx), std::forward<FxArgs>(fxargs)...);
-				if constexpr (clean_stack) {
-					lua_settop(L, 0);
-				}
-				return 0;
-			}
-			else {
-				(void)tr;
-				decltype(auto) r
-				     = call<check_args>(types<meta::return_type_t<Ret0, Ret...>>(), ta, L, start, std::forward<Fx>(fx), std::forward<FxArgs>(fxargs)...);
-				using R = meta::unqualified_t<decltype(r)>;
-				using is_stack = meta::any<is_stack_based<R>, std::is_same<R, absolute_index>, std::is_same<R, ref_index>, std::is_same<R, raw_index>>;
-				if constexpr (clean_stack && !is_stack::value) {
-					lua_settop(L, 0);
-				}
-				return push_reference(L, std::forward<decltype(r)>(r));
-			}
-		}
-
-		template <bool check_args = detail::default_safe_function_calls, bool clean_stack = true, typename Fx, typename... FxArgs>
-		inline int call_lua(lua_State* L, int start, Fx&& fx, FxArgs&&... fxargs) {
-			using traits_type = lua_bind_traits<meta::unqualified_t<Fx>>;
-			using args_list = typename traits_type::args_list;
-			using returns_list = typename traits_type::returns_list;
-			return call_into_lua<check_args, clean_stack>(returns_list(), args_list(), L, start, std::forward<Fx>(fx), std::forward<FxArgs>(fxargs)...);
-		}
-
-		inline call_syntax get_call_syntax(lua_State* L, const string_view& key, int index) {
-			if (lua_gettop(L) < 1) {
-				return call_syntax::dot;
-			}
-			luaL_getmetatable(L, key.data());
-			auto pn = pop_n(L, 1);
-			if (lua_compare(L, -1, index, LUA_OPEQ) != 1) {
-				return call_syntax::dot;
-			}
-			return call_syntax::colon;
-		}
-
-		inline void script(
-		     lua_State* L, lua_Reader reader, void* data, const std::string& chunkname = detail::default_chunk_name(), load_mode mode = load_mode::any) {
-			detail::typical_chunk_name_t basechunkname = {};
-			const char* chunknametarget = detail::make_chunk_name("lua_Reader", chunkname, basechunkname);
-			if (lua_load(L, reader, data, chunknametarget, to_string(mode).c_str()) || lua_pcall(L, 0, LUA_MULTRET, 0)) {
-				lua_error(L);
-			}
-		}
-
-		inline void script(
-		     lua_State* L, const string_view& code, const std::string& chunkname = detail::default_chunk_name(), load_mode mode = load_mode::any) {
-
-			detail::typical_chunk_name_t basechunkname = {};
-			const char* chunknametarget = detail::make_chunk_name(code, chunkname, basechunkname);
-			if (luaL_loadbufferx(L, code.data(), code.size(), chunknametarget, to_string(mode).c_str()) || lua_pcall(L, 0, LUA_MULTRET, 0)) {
-				lua_error(L);
-			}
-		}
-
-		inline void script_file(lua_State* L, const std::string& filename, load_mode mode = load_mode::any) {
-			if (luaL_loadfilex(L, filename.c_str(), to_string(mode).c_str()) || lua_pcall(L, 0, LUA_MULTRET, 0)) {
-				lua_error(L);
-			}
-		}
-
-		inline void luajit_exception_handler(lua_State* L, int (*handler)(lua_State*, lua_CFunction) = detail::c_trampoline) {
-#if SOL_IS_ON(SOL_USE_LUAJIT_EXCEPTION_TRAMPOLINE_I_)
-			if (L == nullptr) {
-				return;
-			}
-#if SOL_IS_ON(SOL_SAFE_STACK_CHECK_I_)
-			luaL_checkstack(L, 1, detail::not_enough_stack_space_generic);
-#endif // make sure stack doesn't overflow
-			lua_pushlightuserdata(L, (void*)handler);
-			auto pn = pop_n(L, 1);
-			luaJIT_setmode(L, -1, LUAJIT_MODE_WRAPCFUNC | LUAJIT_MODE_ON);
-#else
-			(void)L;
-			(void)handler;
-#endif
-		}
-
-		inline void luajit_exception_off(lua_State* L) {
-#if SOL_IS_ON(SOL_USE_LUAJIT_EXCEPTION_TRAMPOLINE_I_)
-			if (L == nullptr) {
-				return;
-			}
-			luaJIT_setmode(L, -1, LUAJIT_MODE_WRAPCFUNC | LUAJIT_MODE_OFF);
-#else
-			(void)L;
-#endif
-		}
-	} // namespace stack
-} // namespace sol
-
-#endif // SOL_STACK_HPP
+// sol2
+
+// The MIT License (MIT)
+
+// Copyright (c) 2013-2022 Rapptz, ThePhD and contributors
+
+// Permission is hereby granted, free of charge, to any person obtaining a copy of
+// this software and associated documentation files (the "Software"), to deal in
+// the Software without restriction, including without limitation the rights to
+// use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of
+// the Software, and to permit persons to whom the Software is furnished to do so,
+// subject to the following conditions:
+
+// The above copyright notice and this permission notice shall be included in all
+// copies or substantial portions of the Software.
+
+// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS
+// FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR
+// COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER
+// IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
+// CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+
+#ifndef SOL_STACK_HPP
+#define SOL_STACK_HPP
+
+#include <sol/trampoline.hpp>
+#include <sol/stack_core.hpp>
+#include <sol/stack_reference.hpp>
+#include <sol/stack_check.hpp>
+#include <sol/stack_get.hpp>
+#include <sol/stack_check_get.hpp>
+#include <sol/stack_push.hpp>
+#include <sol/stack_pop.hpp>
+#include <sol/stack_field.hpp>
+#include <sol/stack_probe.hpp>
+#include <sol/error.hpp>
+#include <sol/assert.hpp>
+
+#include <cstring>
+#include <array>
+
+namespace sol {
+	namespace detail {
+		using typical_chunk_name_t = char[SOL_ID_SIZE_I_];
+		using typical_file_chunk_name_t = char[SOL_FILE_ID_SIZE_I_];
+
+		inline const std::string& default_chunk_name() {
+			static const std::string name = "";
+			return name;
+		}
+
+		template <std::size_t N>
+		const char* make_chunk_name(const string_view& code, const std::string& chunkname, char (&basechunkname)[N]) {
+			if (chunkname.empty()) {
+				auto it = code.cbegin();
+				auto e = code.cend();
+				std::size_t i = 0;
+				static const std::size_t n = N - 4;
+				for (i = 0; i < n && it != e; ++i, ++it) {
+					basechunkname[i] = *it;
+				}
+				if (it != e) {
+					for (std::size_t c = 0; c < 3; ++i, ++c) {
+						basechunkname[i] = '.';
+					}
+				}
+				basechunkname[i] = '\0';
+				return &basechunkname[0];
+			}
+			else {
+				return chunkname.c_str();
+			}
+		}
+
+		inline void clear_entries(stack_reference r) {
+			stack::push(r.lua_state(), lua_nil);
+			while (lua_next(r.lua_state(), -2)) {
+				absolute_index key(r.lua_state(), -2);
+				auto pn = stack::pop_n(r.lua_state(), 1);
+				stack::set_field<false, true>(r.lua_state(), key, lua_nil, r.stack_index());
+			}
+		}
+
+		inline void clear_entries(const reference& registry_reference) {
+			auto pp = stack::push_pop(registry_reference);
+			stack_reference ref(registry_reference.lua_state(), -1);
+			clear_entries(ref);
+		}
+	} // namespace detail
+
+	namespace stack {
+		namespace stack_detail {
+			template <typename T>
+			inline int push_as_upvalues(lua_State* L, T& item) {
+				typedef std::decay_t<T> TValue;
+				static const std::size_t itemsize = sizeof(TValue);
+				static const std::size_t voidsize = sizeof(void*);
+				static const std::size_t voidsizem1 = voidsize - 1;
+				static const std::size_t data_t_count = (sizeof(TValue) + voidsizem1) / voidsize;
+				typedef std::array<void*, data_t_count> data_t;
+
+				data_t data { {} };
+				std::memcpy(&data[0], std::addressof(item), itemsize);
+				int pushcount = 0;
+				for (const auto& v : data) {
+					lua_pushlightuserdata(L, v);
+					pushcount += 1;
+				}
+				return pushcount;
+			}
+
+			template <typename T>
+			inline std::pair<T, int> get_as_upvalues(lua_State* L, int index = 2) {
+				static const std::size_t data_t_count = (sizeof(T) + (sizeof(void*) - 1)) / sizeof(void*);
+				typedef std::array<void*, data_t_count> data_t;
+				data_t voiddata { {} };
+				for (std::size_t i = 0, d = 0; d < sizeof(T); ++i, d += sizeof(void*)) {
+					voiddata[i] = lua_touserdata(L, upvalue_index(index++));
+				}
+				return std::pair<T, int>(*reinterpret_cast<T*>(static_cast<void*>(voiddata.data())), index);
+			}
+
+			template <typename T>
+			inline std::pair<T, int> get_as_upvalues_using_function(lua_State* L, int function_index = -1) {
+				static const std::size_t data_t_count = (sizeof(T) + (sizeof(void*) - 1)) / sizeof(void*);
+				typedef std::array<void*, data_t_count> data_t;
+				function_index = lua_absindex(L, function_index);
+				int index = 0;
+				data_t voiddata { {} };
+				for (std::size_t d = 0; d < sizeof(T); d += sizeof(void*)) {
+					// first upvalue is nullptr to respect environment shenanigans
+					// So +2 instead of +1
+					const char* upvalue_name = lua_getupvalue(L, function_index, index + 2);
+					if (upvalue_name == nullptr) {
+						// We should freak out here...
+						break;
+					}
+					voiddata[index] = lua_touserdata(L, -1);
+					++index;
+				}
+				lua_pop(L, index);
+				return std::pair<T, int>(*reinterpret_cast<T*>(static_cast<void*>(voiddata.data())), index);
+			}
+
+			template <bool checked, typename Handler, typename Fx, typename... Args>
+			static decltype(auto) eval(types<>, std::index_sequence<>, lua_State*, int, Handler&&, record&, Fx&& fx, Args&&... args) {
+				return std::forward<Fx>(fx)(std::forward<Args>(args)...);
+			}
+
+			template <bool checked, typename Arg, typename... Args, std::size_t I, std::size_t... Is, typename Handler, typename Fx, typename... FxArgs>
+			static decltype(auto) eval(types<Arg, Args...>, std::index_sequence<I, Is...>, lua_State* L_, int start_index_, Handler&& handler_,
+			     record& tracking_, Fx&& fx_, FxArgs&&... fxargs_) {
+#if 0 && SOL_IS_ON(SOL_PROPAGATE_EXCEPTIONS)
+				// NOTE: THIS IS TERMPORARILY TURNED OFF BECAUSE IT IMPACTS ACTUAL SEMANTICS W.R.T. THINGS LIKE LUAJIT,
+				// SO IT MUST REMAIN OFF UNTIL WE CAN ESTABLISH SIMILAR BEHAVIOR IN MODES WHERE `checked == false`!
+
+				// We can save performance/time by letting errors unwind produced arguments
+				// rather than checking everything once, and then potentially re-doing work
+				if constexpr (checked) {
+					return eval<checked>(types<Args...>(),
+					     std::index_sequence<Is...>(),
+					     L_,
+					     start_index_,
+					     std::forward<Handler>(handler_),
+					     tracking_,
+					     std::forward<Fx>(fx_),
+					     std::forward<FxArgs>(fxargs_)...,
+					     *stack_detail::check_get_arg<Arg>(L_, start_index_ + tracking_.used, handler_, tracking_));
+				}
+				else
+#endif
+				{
+					return eval<checked>(types<Args...>(),
+					     std::index_sequence<Is...>(),
+					     L_,
+					     start_index_,
+					     std::forward<Handler>(handler_),
+					     tracking_,
+					     std::forward<Fx>(fx_),
+					     std::forward<FxArgs>(fxargs_)...,
+					     stack_detail::unchecked_get_arg<Arg>(L_, start_index_ + tracking_.used, tracking_));
+				}
+			}
+
+			template <bool checkargs = detail::default_safe_function_calls, std::size_t... I, typename R, typename... Args, typename Fx, typename... FxArgs>
+			inline decltype(auto) call(types<R>, types<Args...> argument_types_, std::index_sequence<I...> argument_indices_, lua_State* L_,
+			     int start_index_, Fx&& fx_, FxArgs&&... args_) {
+				static_assert(meta::all_v<meta::is_not_move_only<Args>...>,
+				     "One of the arguments being bound is a move-only type, and it is not being taken by reference: this will break your code. Please take "
+				     "a reference and std::move it manually if this was your intention.");
+				argument_handler<types<R, Args...>> handler {};
+				record tracking {};
+#if SOL_IS_OFF(SOL_PROPAGATE_EXCEPTIONS)
+				if constexpr (checkargs) {
+					multi_check<Args...>(L_, start_index_, handler);
+				}
+#endif
+				if constexpr (std::is_void_v<R>) {
+					eval<checkargs>(
+					     argument_types_, argument_indices_, L_, start_index_, handler, tracking, std::forward<Fx>(fx_), std::forward<FxArgs>(args_)...);
+				}
+				else {
+					return eval<checkargs>(
+					     argument_types_, argument_indices_, L_, start_index_, handler, tracking, std::forward<Fx>(fx_), std::forward<FxArgs>(args_)...);
+				}
+			}
+
+			template <typename T>
+			void raw_table_set(lua_State* L, T&& arg, int tableindex = -2) {
+				int push_count = push(L, std::forward<T>(arg));
+				SOL_ASSERT(push_count == 1);
+				std::size_t unique_index = static_cast<std::size_t>(luaL_len(L, tableindex) + 1u);
+				lua_rawseti(L, tableindex, static_cast<int>(unique_index));
+			}
+
+		} // namespace stack_detail
+
+		template <typename T>
+		int set_ref(lua_State* L, T&& arg, int tableindex = -2) {
+			int push_count = push(L, std::forward<T>(arg));
+			SOL_ASSERT(push_count == 1);
+			return luaL_ref(L, tableindex);
+		}
+
+		template <bool check_args = detail::default_safe_function_calls, typename R, typename... Args, typename Fx, typename... FxArgs>
+		inline decltype(auto) call(types<R> tr, types<Args...> ta, lua_State* L, int start, Fx&& fx, FxArgs&&... args) {
+			using args_indices = std::make_index_sequence<sizeof...(Args)>;
+			if constexpr (std::is_void_v<R>) {
+				stack_detail::call<check_args>(tr, ta, args_indices(), L, start, std::forward<Fx>(fx), std::forward<FxArgs>(args)...);
+			}
+			else {
+				return stack_detail::call<check_args>(tr, ta, args_indices(), L, start, std::forward<Fx>(fx), std::forward<FxArgs>(args)...);
+			}
+		}
+
+		template <bool check_args = detail::default_safe_function_calls, typename R, typename... Args, typename Fx, typename... FxArgs>
+		inline decltype(auto) call(types<R> tr, types<Args...> ta, lua_State* L, Fx&& fx, FxArgs&&... args) {
+			if constexpr (std::is_void_v<R>) {
+				call<check_args>(tr, ta, L, 1, std::forward<Fx>(fx), std::forward<FxArgs>(args)...);
+			}
+			else {
+				return call<check_args>(tr, ta, L, 1, std::forward<Fx>(fx), std::forward<FxArgs>(args)...);
+			}
+		}
+
+		template <bool check_args = detail::default_safe_function_calls, typename R, typename... Args, typename Fx, typename... FxArgs>
+		inline decltype(auto) call_from_top(types<R> tr, types<Args...> ta, lua_State* L, Fx&& fx, FxArgs&&... args) {
+			using expected_count_t = meta::count_for_pack<lua_size, Args...>;
+			if constexpr (std::is_void_v<R>) {
+				call<check_args>(tr,
+				     ta,
+				     L,
+				     (std::max)(static_cast<int>(lua_gettop(L) - expected_count_t::value), static_cast<int>(0)),
+				     std::forward<Fx>(fx),
+				     std::forward<FxArgs>(args)...);
+			}
+			else {
+				return call<check_args>(tr,
+				     ta,
+				     L,
+				     (std::max)(static_cast<int>(lua_gettop(L) - expected_count_t::value), static_cast<int>(0)),
+				     std::forward<Fx>(fx),
+				     std::forward<FxArgs>(args)...);
+			}
+		}
+
+		template <bool check_args = detail::default_safe_function_calls, bool clean_stack = true, typename Ret0, typename... Ret, typename... Args,
+		     typename Fx, typename... FxArgs>
+		inline int call_into_lua(types<Ret0, Ret...> tr, types<Args...> ta, lua_State* L, int start, Fx&& fx, FxArgs&&... fxargs) {
+			if constexpr (std::is_void_v<Ret0>) {
+				call<check_args>(tr, ta, L, start, std::forward<Fx>(fx), std::forward<FxArgs>(fxargs)...);
+				if constexpr (clean_stack) {
+					lua_settop(L, 0);
+				}
+				return 0;
+			}
+			else {
+				(void)tr;
+				decltype(auto) r
+				     = call<check_args>(types<meta::return_type_t<Ret0, Ret...>>(), ta, L, start, std::forward<Fx>(fx), std::forward<FxArgs>(fxargs)...);
+				using R = meta::unqualified_t<decltype(r)>;
+				using is_stack = meta::any<is_stack_based<R>, std::is_same<R, absolute_index>, std::is_same<R, ref_index>, std::is_same<R, raw_index>>;
+				if constexpr (clean_stack && !is_stack::value) {
+					lua_settop(L, 0);
+				}
+				return push_reference(L, std::forward<decltype(r)>(r));
+			}
+		}
+
+		template <bool check_args = detail::default_safe_function_calls, bool clean_stack = true, typename Fx, typename... FxArgs>
+		inline int call_lua(lua_State* L, int start, Fx&& fx, FxArgs&&... fxargs) {
+			using traits_type = lua_bind_traits<meta::unqualified_t<Fx>>;
+			using args_list = typename traits_type::args_list;
+			using returns_list = typename traits_type::returns_list;
+			return call_into_lua<check_args, clean_stack>(returns_list(), args_list(), L, start, std::forward<Fx>(fx), std::forward<FxArgs>(fxargs)...);
+		}
+
+		inline call_syntax get_call_syntax(lua_State* L, const string_view& key, int index) {
+			if (lua_gettop(L) < 1) {
+				return call_syntax::dot;
+			}
+			luaL_getmetatable(L, key.data());
+			auto pn = pop_n(L, 1);
+			if (lua_compare(L, -1, index, LUA_OPEQ) != 1) {
+				return call_syntax::dot;
+			}
+			return call_syntax::colon;
+		}
+
+		inline void script(
+		     lua_State* L, lua_Reader reader, void* data, const std::string& chunkname = detail::default_chunk_name(), load_mode mode = load_mode::any) {
+			detail::typical_chunk_name_t basechunkname = {};
+			const char* chunknametarget = detail::make_chunk_name("lua_Reader", chunkname, basechunkname);
+			if (lua_load(L, reader, data, chunknametarget, to_string(mode).c_str()) || lua_pcall(L, 0, LUA_MULTRET, 0)) {
+				lua_error(L);
+			}
+		}
+
+		inline void script(
+		     lua_State* L, const string_view& code, const std::string& chunkname = detail::default_chunk_name(), load_mode mode = load_mode::any) {
+
+			detail::typical_chunk_name_t basechunkname = {};
+			const char* chunknametarget = detail::make_chunk_name(code, chunkname, basechunkname);
+			if (luaL_loadbufferx(L, code.data(), code.size(), chunknametarget, to_string(mode).c_str()) || lua_pcall(L, 0, LUA_MULTRET, 0)) {
+				lua_error(L);
+			}
+		}
+
+		inline void script_file(lua_State* L, const std::string& filename, load_mode mode = load_mode::any) {
+			if (luaL_loadfilex(L, filename.c_str(), to_string(mode).c_str()) || lua_pcall(L, 0, LUA_MULTRET, 0)) {
+				lua_error(L);
+			}
+		}
+
+		inline void luajit_exception_handler(lua_State* L, int (*handler)(lua_State*, lua_CFunction) = detail::c_trampoline) {
+#if SOL_IS_ON(SOL_USE_LUAJIT_EXCEPTION_TRAMPOLINE)
+			if (L == nullptr) {
+				return;
+			}
+#if SOL_IS_ON(SOL_SAFE_STACK_CHECK)
+			luaL_checkstack(L, 1, detail::not_enough_stack_space_generic);
+#endif // make sure stack doesn't overflow
+			lua_pushlightuserdata(L, (void*)handler);
+			auto pn = pop_n(L, 1);
+			luaJIT_setmode(L, -1, LUAJIT_MODE_WRAPCFUNC | LUAJIT_MODE_ON);
+#else
+			(void)L;
+			(void)handler;
+#endif
+		}
+
+		inline void luajit_exception_off(lua_State* L) {
+#if SOL_IS_ON(SOL_USE_LUAJIT_EXCEPTION_TRAMPOLINE)
+			if (L == nullptr) {
+				return;
+			}
+			luaJIT_setmode(L, -1, LUAJIT_MODE_WRAPCFUNC | LUAJIT_MODE_OFF);
+#else
+			(void)L;
+#endif
+		}
+
+		namespace stack_detail {
+			inline error get_error(lua_State* L, int target) {
+				auto maybe_exc = stack::check_get<error&>(L, target);
+				if (maybe_exc.has_value()) {
+					return maybe_exc.value();
+				}
+				return error(detail::direct_error, stack::get<std::string>(L, target));
+			}
+
+			inline detail::error_exception get_error_exception(lua_State* L, int target) {
+				auto maybe_exc = stack::check_get<detail::error_exception&>(L, target);
+				if (maybe_exc.has_value()) {
+					return maybe_exc.value();
+				}
+				return detail::error_exception(detail::direct_error, stack::get<std::string>(L, target));
+			}
+		}
+	} // namespace stack
+} // namespace sol
+
+#endif // SOL_STACK_HPP
diff --git a/extern/sol3/sol/stack/detail/pairs.hpp b/extern/sol3/sol/stack/detail/pairs.hpp
index 0ac7d0bc6e..a27828ff1b 100644
--- a/extern/sol3/sol/stack/detail/pairs.hpp
+++ b/extern/sol3/sol/stack/detail/pairs.hpp
@@ -1,98 +1,98 @@
-// sol2
-
-// The MIT License (MIT)
-
-// Copyright (c) 2013-2021 Rapptz, ThePhD and contributors
-
-// Permission is hereby granted, free of charge, to any person obtaining a copy of
-// this software and associated documentation files (the "Software"), to deal in
-// the Software without restriction, including without limitation the rights to
-// use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of
-// the Software, and to permit persons to whom the Software is furnished to do so,
-// subject to the following conditions:
-
-// The above copyright notice and this Spermission notice shall be included in all
-// copies or substantial portions of the Software.
-
-// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
-// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS
-// FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR
-// COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER
-// IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
-// CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
-
-#ifndef SOL_DETAIL_PAIRS_HPP
-#define SOL_DETAIL_PAIRS_HPP
-
-#include <sol/version.hpp>
-
-#include <sol/stack.hpp>
-#include <sol/stack_reference.hpp>
-#include <sol/protected_function.hpp>
-#include <sol/assert.hpp>
-
-#include <optional>
-
-namespace sol { namespace stack { namespace stack_detail {
-
-	inline bool maybe_push_lua_next_function(lua_State* L_) {
-		stack::get_field<true, false>(L_, "next");
-		bool is_next = stack::check<protected_function>(L_);
-		if (is_next) {
-			return true;
-		}
-		stack::get_field<true, false>(L_, "table");
-		stack::record tracking{};
-		if (!stack::loose_table_check(L_, -1, &no_panic, tracking)) {
-			return false;
-		}
-		lua_getfield(L_, -1, "next");
-		bool is_table_next_func = stack::check<protected_function>(L_, -1);
-		if (is_table_next_func) {
-			return true;
-		}
-		lua_pop(L_, 1);
-		return false;
-	}
-
-	inline std::optional<protected_function> find_lua_next_function(lua_State* L_) {
-		if (maybe_push_lua_next_function(L_)) {
-			return stack::pop<protected_function>(L_);
-		}
-		return std::nullopt;
-	}
-
-	inline int c_lua_next(lua_State* L_) noexcept {
-		stack_reference table_stack_ref(L_, raw_index(1));
-		stateless_stack_reference key_stack_ref(L_, raw_index(2));
-		int result = lua_next(table_stack_ref.lua_state(), table_stack_ref.stack_index());
-		if (result == 0) {
-			stack::push(L_, lua_nil);
-			return 1;
-		}
-		return 2;
-	}
-
-	inline int readonly_pairs(lua_State* L_) noexcept {
-		int pushed = 0;
-		if (!maybe_push_lua_next_function(L_)) {
-			// we do not have the "next" function in the global namespace
-			// from the "table" global entiry, use our own
-			pushed += stack::push(L_, &c_lua_next);
-		}
-		else {
-			pushed += 1;
-		}
-		int metatable_exists = lua_getmetatable(L_, 1);
-		sol_c_assert(metatable_exists == 1);
-		const auto& index_key = to_string(sol::meta_function::index);
-		lua_getfield(L_, lua_gettop(L_), index_key.c_str());
-		lua_remove(L_, -2);
-		pushed += 1;
-		pushed += stack::push(L_, lua_nil);
-		return pushed;
-	}
-
-}}} // sol::stack::stack_detail
-
-#endif // SOL_DETAIL_PAIRS_HPP
+// sol2
+
+// The MIT License (MIT)
+
+// Copyright (c) 2013-2022 Rapptz, ThePhD and contributors
+
+// Permission is hereby granted, free of charge, to any person obtaining a copy of
+// this software and associated documentation files (the "Software"), to deal in
+// the Software without restriction, including without limitation the rights to
+// use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of
+// the Software, and to permit persons to whom the Software is furnished to do so,
+// subject to the following conditions:
+
+// The above copyright notice and this Spermission notice shall be included in all
+// copies or substantial portions of the Software.
+
+// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS
+// FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR
+// COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER
+// IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
+// CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+
+#ifndef SOL_DETAIL_PAIRS_HPP
+#define SOL_DETAIL_PAIRS_HPP
+
+#include <sol/version.hpp>
+
+#include <sol/stack.hpp>
+#include <sol/stack_reference.hpp>
+#include <sol/protected_function.hpp>
+#include <sol/assert.hpp>
+
+#include <optional>
+
+namespace sol { namespace stack { namespace stack_detail {
+
+	inline bool maybe_push_lua_next_function(lua_State* L_) {
+		stack::get_field<true, false>(L_, "next");
+		bool is_next = stack::check<protected_function>(L_);
+		if (is_next) {
+			return true;
+		}
+		stack::get_field<true, false>(L_, "table");
+		stack::record tracking{};
+		if (!stack::loose_table_check(L_, -1, &no_panic, tracking)) {
+			return false;
+		}
+		lua_getfield(L_, -1, "next");
+		bool is_table_next_func = stack::check<protected_function>(L_, -1);
+		if (is_table_next_func) {
+			return true;
+		}
+		lua_pop(L_, 1);
+		return false;
+	}
+
+	inline std::optional<protected_function> find_lua_next_function(lua_State* L_) {
+		if (maybe_push_lua_next_function(L_)) {
+			return stack::pop<protected_function>(L_);
+		}
+		return std::nullopt;
+	}
+
+	inline int c_lua_next(lua_State* L_) noexcept {
+		stack_reference table_stack_ref(L_, raw_index(1));
+		stateless_stack_reference key_stack_ref(L_, raw_index(2));
+		int result = lua_next(table_stack_ref.lua_state(), table_stack_ref.stack_index());
+		if (result == 0) {
+			stack::push(L_, lua_nil);
+			return 1;
+		}
+		return 2;
+	}
+
+	inline int readonly_pairs(lua_State* L_) noexcept {
+		int pushed = 0;
+		if (!maybe_push_lua_next_function(L_)) {
+			// we do not have the "next" function in the global namespace
+			// from the "table" global entiry, use our own
+			pushed += stack::push(L_, &c_lua_next);
+		}
+		else {
+			pushed += 1;
+		}
+		int metatable_exists = lua_getmetatable(L_, 1);
+		SOL_ASSERT(metatable_exists == 1);
+		const auto& index_key = to_string(sol::meta_function::index);
+		lua_getfield(L_, lua_gettop(L_), index_key.c_str());
+		lua_remove(L_, -2);
+		pushed += 1;
+		pushed += stack::push(L_, lua_nil);
+		return pushed;
+	}
+
+}}} // sol::stack::stack_detail
+
+#endif // SOL_DETAIL_PAIRS_HPP
diff --git a/extern/sol3/sol/stack_check.hpp b/extern/sol3/sol/stack_check.hpp
index b90d70e707..b4389e226b 100644
--- a/extern/sol3/sol/stack_check.hpp
+++ b/extern/sol3/sol/stack_check.hpp
@@ -2,7 +2,7 @@
 
 // The MIT License (MIT)
 
-// Copyright (c) 2013-2021 Rapptz, ThePhD and contributors
+// Copyright (c) 2013-2022 Rapptz, ThePhD and contributors
 
 // Permission is hereby granted, free of charge, to any person obtaining a copy of
 // this software and associated documentation files (the "Software"), to deal in
diff --git a/extern/sol3/sol/stack_check_get.hpp b/extern/sol3/sol/stack_check_get.hpp
index 9353c3c755..c20c6584ef 100644
--- a/extern/sol3/sol/stack_check_get.hpp
+++ b/extern/sol3/sol/stack_check_get.hpp
@@ -2,7 +2,7 @@
 
 // The MIT License (MIT)
 
-// Copyright (c) 2013-2021 Rapptz, ThePhD and contributors
+// Copyright (c) 2013-2022 Rapptz, ThePhD and contributors
 
 // Permission is hereby granted, free of charge, to any person obtaining a copy of
 // this software and associated documentation files (the "Software"), to deal in
diff --git a/extern/sol3/sol/stack_check_get_qualified.hpp b/extern/sol3/sol/stack_check_get_qualified.hpp
index b5dfc387a8..753f911a47 100644
--- a/extern/sol3/sol/stack_check_get_qualified.hpp
+++ b/extern/sol3/sol/stack_check_get_qualified.hpp
@@ -2,7 +2,7 @@
 
 // The MIT License (MIT)
 
-// Copyright (c) 2013-2021 Rapptz, ThePhD and contributors
+// Copyright (c) 2013-2022 Rapptz, ThePhD and contributors
 
 // Permission is hereby granted, free of charge, to any person obtaining a copy of
 // this software and associated documentation files (the "Software"), to deal in
@@ -30,6 +30,13 @@
 
 namespace sol { namespace stack {
 
+#if SOL_IS_ON(SOL_COMPILER_GCC)
+#pragma GCC diagnostic push
+#if !SOL_IS_ON(SOL_COMPILER_CLANG)
+#pragma GCC diagnostic ignored "-Wmaybe-uninitialized"
+#endif
+#endif
+
 	namespace stack_detail {
 		template <typename OptionalType, typename T, typename Handler>
 		OptionalType get_optional(lua_State* L, int index, Handler&& handler, record& tracking) {
@@ -70,9 +77,8 @@ namespace sol { namespace stack {
 					actual* mem = static_cast<actual*>(memory);
 					return static_cast<actual>(*mem);
 				}
-				actual r {};
 				if constexpr (!derive<element>::value) {
-					return {};
+					return OptionalType();
 				}
 				else {
 					memory = detail::align_usertype_unique_tag<true, false>(memory);
@@ -80,6 +86,7 @@ namespace sol { namespace stack {
 					memory = detail::align_usertype_unique<actual, true, false>(memory);
 					string_view ti = usertype_traits<element>::qualified_name();
 					int cast_operation;
+					actual r {};
 					if constexpr (is_actual_type_rebindable_for_v<Tu>) {
 						using rebound_actual_type = unique_usertype_rebind_actual_t<Tu, void>;
 						string_view rebind_ti = usertype_traits<rebound_actual_type>::qualified_name();
@@ -103,19 +110,23 @@ namespace sol { namespace stack {
 					default:
 						break;
 					}
-					return {};
+					return OptionalType();
 				}
 			}
 			else {
 				if (!check<T>(L, index, std::forward<Handler>(handler))) {
 					tracking.use(static_cast<int>(!lua_isnone(L, index)));
-					return {};
+					return OptionalType();
 				}
 				return OptionalType(stack_detail::unchecked_get<T>(L, index, tracking));
 			}
 		}
 	} // namespace stack_detail
 
+#if SOL_IS_ON(SOL_COMPILER_GCC)
+#pragma GCC diagnostic pop
+#endif
+
 	template <typename T, typename>
 	struct qualified_check_getter {
 		typedef decltype(stack_detail::unchecked_get<T>(nullptr, -1, std::declval<record&>())) R;
diff --git a/extern/sol3/sol/stack_check_get_unqualified.hpp b/extern/sol3/sol/stack_check_get_unqualified.hpp
index 31bef9f4fb..645c0a4d2f 100644
--- a/extern/sol3/sol/stack_check_get_unqualified.hpp
+++ b/extern/sol3/sol/stack_check_get_unqualified.hpp
@@ -2,7 +2,7 @@
 
 // The MIT License (MIT)
 
-// Copyright (c) 2013-2021 Rapptz, ThePhD and contributors
+// Copyright (c) 2013-2022 Rapptz, ThePhD and contributors
 
 // Permission is hereby granted, free of charge, to any person obtaining a copy of
 // this software and associated documentation files (the "Software"), to deal in
@@ -32,7 +32,7 @@
 #include <cstdlib>
 #include <cmath>
 #include <optional>
-#if SOL_IS_ON(SOL_STD_VARIANT_I_)
+#if SOL_IS_ON(SOL_STD_VARIANT)
 #include <variant>
 #endif // variant shenanigans (thanks, Mac OSX)
 
@@ -76,7 +76,7 @@ namespace sol { namespace stack {
 					int isnum = 0;
 					const lua_Number value = lua_tonumberx(L, index, &isnum);
 					if (isnum != 0) {
-#if SOL_IS_ON(SOL_NUMBER_PRECISION_CHECKS_I_)
+#if SOL_IS_ON(SOL_NUMBER_PRECISION_CHECKS)
 						const auto integer_value = llround(value);
 						if (static_cast<lua_Number>(integer_value) == value) {
 							tracking.use(1);
@@ -139,7 +139,7 @@ namespace sol { namespace stack {
 		}
 	};
 
-#if SOL_IS_ON(SOL_STD_VARIANT_I_)
+#if SOL_IS_ON(SOL_STD_VARIANT)
 	template <typename... Tn, typename C>
 	struct unqualified_check_getter<std::variant<Tn...>, C> {
 		typedef std::variant<Tn...> V;
diff --git a/extern/sol3/sol/stack_check_qualified.hpp b/extern/sol3/sol/stack_check_qualified.hpp
index 5712a168dd..3ce5b64282 100644
--- a/extern/sol3/sol/stack_check_qualified.hpp
+++ b/extern/sol3/sol/stack_check_qualified.hpp
@@ -2,7 +2,7 @@
 
 // The MIT License (MIT)
 
-// Copyright (c) 2013-2021 Rapptz, ThePhD and contributors
+// Copyright (c) 2013-2022 Rapptz, ThePhD and contributors
 
 // Permission is hereby granted, free of charge, to any person obtaining a copy of
 // this software and associated documentation files (the "Software"), to deal in
@@ -28,7 +28,7 @@
 
 namespace sol { namespace stack {
 
-	template <typename X, type expected, typename>
+	template <typename X, typename>
 	struct qualified_checker {
 		template <typename Handler>
 		static bool check(lua_State* L, int index, Handler&& handler, record& tracking) {
diff --git a/extern/sol3/sol/stack_check_unqualified.hpp b/extern/sol3/sol/stack_check_unqualified.hpp
index cd132e0c29..18974987fc 100644
--- a/extern/sol3/sol/stack_check_unqualified.hpp
+++ b/extern/sol3/sol/stack_check_unqualified.hpp
@@ -2,7 +2,7 @@
 
 // The MIT License (MIT)
 
-// Copyright (c) 2013-2021 Rapptz, ThePhD and contributors
+// Copyright (c) 2013-2022 Rapptz, ThePhD and contributors
 
 // Permission is hereby granted, free of charge, to any person obtaining a copy of
 // this software and associated documentation files (the "Software"), to deal in
@@ -32,7 +32,7 @@
 #include <utility>
 #include <cmath>
 #include <optional>
-#if SOL_IS_ON(SOL_STD_VARIANT_I_)
+#if SOL_IS_ON(SOL_STD_VARIANT)
 #include <variant>
 #endif // variant shenanigans
 
@@ -116,7 +116,7 @@ namespace sol { namespace stack {
 			}
 			else if constexpr (meta::any_same_v<T,
 				                   char
-#if SOL_IS_ON(SOL_CHAR8_T_I_)
+#if SOL_IS_ON(SOL_CHAR8_T)
 				                   ,
 				                   char8_t
 #endif
@@ -129,7 +129,7 @@ namespace sol { namespace stack {
 				tracking.use(1);
 #if SOL_LUA_VERSION_I_ >= 503
 				// Lua 5.3 and greater checks for numeric precision
-#if SOL_IS_ON(SOL_STRINGS_ARE_NUMBERS_I_)
+#if SOL_IS_ON(SOL_STRINGS_ARE_NUMBERS)
 				// imprecise, sloppy conversions
 				int isnum = 0;
 				lua_tointegerx(L_, index, &isnum);
@@ -138,7 +138,7 @@ namespace sol { namespace stack {
 					// expected type, actual type
 					handler(L_, index, type::number, type_of(L_, index), detail::not_a_number_or_number_string_integral);
 				}
-#elif SOL_IS_ON(SOL_NUMBER_PRECISION_CHECKS_I_)
+#elif SOL_IS_ON(SOL_NUMBER_PRECISION_CHECKS)
 				// this check is precise, do not convert
 				if (lua_isinteger(L_, index) == 1) {
 					return true;
@@ -160,7 +160,7 @@ namespace sol { namespace stack {
 				return success;
 #else
 				// Lua 5.2 and below checks
-#if SOL_IS_OFF(SOL_STRINGS_ARE_NUMBERS_I_)
+#if SOL_IS_OFF(SOL_STRINGS_ARE_NUMBERS)
 				// must pre-check, because it will convert
 				type t = type_of(L_, index);
 				if (t != type::number) {
@@ -170,7 +170,7 @@ namespace sol { namespace stack {
 				}
 #endif // Do not allow strings to be numbers
 
-#if SOL_IS_ON(SOL_NUMBER_PRECISION_CHECKS_I_)
+#if SOL_IS_ON(SOL_NUMBER_PRECISION_CHECKS)
 				int isnum = 0;
 				const lua_Number v = lua_tonumberx(L_, index, &isnum);
 				const bool success = isnum != 0 && static_cast<lua_Number>(llround(v)) == v;
@@ -179,9 +179,9 @@ namespace sol { namespace stack {
 #endif // Safe numerics and number precision checking
 				if (!success) {
 					// Use defines to provide a better error message!
-#if SOL_IS_ON(SOL_STRINGS_ARE_NUMBERS_I_)
+#if SOL_IS_ON(SOL_STRINGS_ARE_NUMBERS)
 					handler(L_, index, type::number, type_of(L_, index), detail::not_a_number_or_number_string);
-#elif SOL_IS_ON(SOL_NUMBER_PRECISION_CHECKS_I_)
+#elif SOL_IS_ON(SOL_NUMBER_PRECISION_CHECKS)
 					handler(L_, index, type::number, t, detail::not_a_number_or_number_string);
 #else
 					handler(L_, index, type::number, t, detail::not_a_number);
@@ -192,7 +192,7 @@ namespace sol { namespace stack {
 			}
 			else if constexpr (std::is_floating_point_v<T> || std::is_same_v<T, lua_Number>) {
 				tracking.use(1);
-#if SOL_IS_ON(SOL_STRINGS_ARE_NUMBERS_I_)
+#if SOL_IS_ON(SOL_STRINGS_ARE_NUMBERS)
 				bool success = lua_isnumber(L_, index) == 1;
 				if (!success) {
 					// expected type, actual type
@@ -218,6 +218,7 @@ namespace sol { namespace stack {
 			}
 			else if constexpr (is_unique_usertype_v<T>) {
 				using element = unique_usertype_element_t<T>;
+				using element_no_cv = meta::unqualified_t<element>;
 				using actual = unique_usertype_actual_t<T>;
 				const type indextype = type_of(L_, index);
 				tracking.use(1);
@@ -229,7 +230,7 @@ namespace sol { namespace stack {
 					return true;
 				}
 				int metatableindex = lua_gettop(L_);
-				if (stack_detail::check_metatable<d::u<element>>(L_, metatableindex)) {
+				if (stack_detail::check_metatable<d::u<element_no_cv>>(L_, metatableindex)) {
 					void* memory = lua_touserdata(L_, index);
 					memory = detail::align_usertype_unique_destructor(memory);
 					detail::unique_destructor& pdx = *static_cast<detail::unique_destructor*>(memory);
@@ -371,7 +372,7 @@ namespace sol { namespace stack {
 				}
 				return stack::unqualified_check<ValueType>(L_, index, &no_panic, tracking);
 			}
-#if SOL_IS_ON(SOL_GET_FUNCTION_POINTER_UNSAFE_I_)
+#if SOL_IS_ON(SOL_GET_FUNCTION_POINTER_UNSAFE)
 			else if constexpr (std::is_function_v<T> || (std::is_pointer_v<T> && std::is_function_v<std::remove_pointer_t<T>>)) {
 				return stack_detail::check_function_pointer<std::remove_pointer_t<T>>(L_, index, std::forward<Handler>(handler), tracking);
 			}
@@ -388,9 +389,7 @@ namespace sol { namespace stack {
 					return success;
 				}
 				else if constexpr (meta::is_specialization_of_v<T, user>) {
-					unqualified_checker<lightuserdata_value, type::userdata> c;
-					(void)c;
-					return c.check(L_, index, std::forward<Handler>(handler), tracking);
+					return stack::unqualified_check<detail::as_value_tag<lightuserdata_value>>(L_, index, std::forward<Handler>(handler), tracking);
 				}
 				else {
 					if constexpr (std::is_pointer_v<T>) {
@@ -508,13 +507,13 @@ namespace sol { namespace stack {
 				return true;
 			}
 			else {
-#if SOL_IS_ON(SOL_USE_INTEROP_I_)
+#if SOL_IS_ON(SOL_USE_INTEROP)
 				if (stack_detail::interop_check<U>(L_, index, indextype, handler, tracking)) {
 					return true;
 				}
 #endif // interop extensibility
 				tracking.use(1);
-#if SOL_IS_ON(SOL_GET_FUNCTION_POINTER_UNSAFE_I_)
+#if SOL_IS_ON(SOL_GET_FUNCTION_POINTER_UNSAFE)
 				if (lua_iscfunction(L_, index) != 0) {
 					// a potential match...
 					return true;
@@ -539,7 +538,7 @@ namespace sol { namespace stack {
 				bool success = false;
 				bool has_derived = derive<T>::value || weak_derive<T>::value;
 				if (has_derived) {
-#if SOL_IS_ON(SOL_SAFE_STACK_CHECK_I_)
+#if SOL_IS_ON(SOL_SAFE_STACK_CHECK)
 					luaL_checkstack(L_, 1, detail::not_enough_stack_space_string);
 #endif // make sure stack doesn't overflow
 					auto pn = stack::pop_n(L_, 1);
@@ -579,6 +578,104 @@ namespace sol { namespace stack {
 		}
 	};
 
+	template <typename T, std::size_t N, type expect>
+	struct unqualified_checker<exhaustive_until<T, N>, expect> {
+		template <typename K, typename V, typename Handler>
+		static bool check_two(types<K, V>, lua_State* arg_L, int relindex, type, Handler&& handler, record& tracking) {
+			tracking.use(1);
+
+#if SOL_IS_ON(SOL_SAFE_STACK_CHECK)
+			luaL_checkstack(arg_L, 3, detail::not_enough_stack_space_generic);
+#endif // make sure stack doesn't overflow
+
+			int index = lua_absindex(arg_L, relindex);
+			lua_pushnil(arg_L);
+			while (lua_next(arg_L, index) != 0) {
+				const bool is_key_okay = stack::check<K>(arg_L, -2, std::forward<Handler>(handler), tracking);
+				if (!is_key_okay) {
+					lua_pop(arg_L, 2);
+					return false;
+				}
+				const bool is_value_okay = stack::check<V>(arg_L, -1, std::forward<Handler>(handler), tracking);
+				if (!is_value_okay) {
+					lua_pop(arg_L, 2);
+					return false;
+				}
+				lua_pop(arg_L, 1);
+			}
+			return true;
+		}
+
+		template <typename V, typename Handler>
+		static bool check_one(types<V>, lua_State* arg_L, int relindex, type, Handler&& handler, record& tracking) {
+			tracking.use(1);
+
+			size_t index = lua_absindex(arg_L, relindex);
+			// Zzzz slower but necessary thanks to the lower version API and missing functions qq
+			std::size_t idx = 0;
+			int vi = 0;
+			for (lua_Integer i = 0;; (void)(i += lua_size<V>::value), lua_pop(arg_L, static_cast<int>(vi))) {
+				vi = 0;
+				if (idx >= N) {
+					return true;
+				}
+#if SOL_IS_ON(SOL_SAFE_STACK_CHECK)
+				luaL_checkstack(arg_L, 2, detail::not_enough_stack_space_generic);
+#endif // make sure stack doesn't overflow
+				bool isnil = false;
+				for (; vi < static_cast<int>(lua_size<V>::value); ++vi) {
+					lua_pushinteger(arg_L, i);
+					lua_gettable(arg_L, static_cast<int>(index));
+					type vt = type_of(arg_L, -1);
+					isnil = vt == type::lua_nil;
+					if (isnil) {
+						if (i == 0) {
+							vi += 1;
+							goto loop_continue;
+						}
+						lua_pop(arg_L, static_cast<int>(vi + 1));
+						return true;
+					}
+				}
+				if (!stack::check<V>(arg_L, -lua_size<V>::value, std::forward<Handler>(handler), tracking)) {
+					lua_pop(arg_L, lua_size<V>::value);
+					return false;
+				}
+				++idx;
+			loop_continue:;
+			}
+		}
+
+		template <typename Handler>
+		static bool check(lua_State* arg_L, int index, Handler&& handler, record& tracking) {
+			using Tu = meta::unqualified_t<T>;
+			if constexpr (is_container_v<Tu>) {
+				if constexpr (meta::is_associative<Tu>::value) {
+					typedef typename Tu::value_type P;
+					typedef typename P::first_type K;
+					typedef typename P::second_type V;
+					return check_two(types<K, V>(), arg_L, index, expect, std::forward<Handler>(handler), tracking);
+				}
+				else {
+					typedef typename Tu::value_type V;
+					return check_one(types<V>(), arg_L, index, expect, std::forward<Handler>(handler), tracking);
+				}
+			}
+			else {
+				unqualified_checker<Tu, expect> c {};
+				return c.check(arg_L, index, std::forward<Handler>(handler), tracking);
+			}
+		}
+	};
+
+	template <typename T, type expect>
+	struct unqualified_checker<non_exhaustive<T>, expect> {
+		template <typename Handler>
+		static bool check(lua_State* arg_L, int index, Handler&& handler, record& tracking) {
+			return stack::check<T>(arg_L, index, std::forward<Handler>(handler), tracking);
+		}
+	};
+
 	template <typename... Args>
 	struct unqualified_checker<std::tuple<Args...>, type::poly> {
 		template <typename Handler>
@@ -595,7 +692,7 @@ namespace sol { namespace stack {
 		}
 	};
 
-#if SOL_IS_ON(SOL_STD_VARIANT_I_)
+#if SOL_IS_ON(SOL_STD_VARIANT)
 
 	template <typename... Tn>
 	struct unqualified_checker<std::variant<Tn...>, type::poly> {
diff --git a/extern/sol3/sol/stack_core.hpp b/extern/sol3/sol/stack_core.hpp
index 75a406f848..2ce3ca2b6a 100644
--- a/extern/sol3/sol/stack_core.hpp
+++ b/extern/sol3/sol/stack_core.hpp
@@ -2,7 +2,7 @@
 
 // The MIT License (MIT)
 
-// Copyright (c) 2013-2021 Rapptz, ThePhD and contributors
+// Copyright (c) 2013-2022 Rapptz, ThePhD and contributors
 
 // Permission is hereby granted, free of charge, to any person obtaining a copy of
 // this software and associated documentation files (the "Software"), to deal in
@@ -127,7 +127,7 @@ namespace sol {
 
 		inline void* align_usertype_pointer(void* ptr) {
 			using use_align = std::integral_constant<bool,
-#if SOL_IS_OFF(SOL_ALIGN_MEMORY_I_)
+#if SOL_IS_OFF(SOL_ALIGN_MEMORY)
 			     false
 #else
 			     (std::alignment_of<void*>::value > 1)
@@ -143,7 +143,7 @@ namespace sol {
 		template <bool pre_aligned = false, bool pre_shifted = false>
 		void* align_usertype_unique_destructor(void* ptr) {
 			using use_align = std::integral_constant<bool,
-#if SOL_IS_OFF(SOL_ALIGN_MEMORY_I_)
+#if SOL_IS_OFF(SOL_ALIGN_MEMORY)
 			     false
 #else
 			     (std::alignment_of<unique_destructor>::value > 1)
@@ -165,7 +165,7 @@ namespace sol {
 		template <bool pre_aligned = false, bool pre_shifted = false>
 		void* align_usertype_unique_tag(void* ptr) {
 			using use_align = std::integral_constant<bool,
-#if SOL_IS_OFF(SOL_ALIGN_MEMORY_I_)
+#if SOL_IS_OFF(SOL_ALIGN_MEMORY)
 			     false
 #else
 			     (std::alignment_of<unique_tag>::value > 1)
@@ -187,7 +187,7 @@ namespace sol {
 		template <typename T, bool pre_aligned = false, bool pre_shifted = false>
 		void* align_usertype_unique(void* ptr) {
 			typedef std::integral_constant<bool,
-#if SOL_IS_OFF(SOL_ALIGN_MEMORY_I_)
+#if SOL_IS_OFF(SOL_ALIGN_MEMORY)
 			     false
 #else
 			     (std::alignment_of_v<T> > 1)
@@ -210,7 +210,7 @@ namespace sol {
 		template <typename T>
 		void* align_user(void* ptr) {
 			typedef std::integral_constant<bool,
-#if SOL_IS_OFF(SOL_ALIGN_MEMORY_I_)
+#if SOL_IS_OFF(SOL_ALIGN_MEMORY)
 			     false
 #else
 			     (std::alignment_of_v<T> > 1)
@@ -227,7 +227,7 @@ namespace sol {
 		template <typename T>
 		T** usertype_allocate_pointer(lua_State* L) {
 			typedef std::integral_constant<bool,
-#if SOL_IS_OFF(SOL_ALIGN_MEMORY_I_)
+#if SOL_IS_OFF(SOL_ALIGN_MEMORY)
 			     false
 #else
 			     (std::alignment_of<T*>::value > 1)
@@ -311,7 +311,7 @@ namespace sol {
 		template <typename T>
 		T* usertype_allocate(lua_State* L) {
 			typedef std::integral_constant<bool,
-#if SOL_IS_OFF(SOL_ALIGN_MEMORY_I_)
+#if SOL_IS_OFF(SOL_ALIGN_MEMORY)
 			     false
 #else
 			     (std::alignment_of<T*>::value > 1 || std::alignment_of_v<T> > 1)
@@ -352,7 +352,7 @@ namespace sol {
 		template <typename T, typename Real>
 		Real* usertype_unique_allocate(lua_State* L, T**& pref, unique_destructor*& dx, unique_tag*& id) {
 			typedef std::integral_constant<bool,
-#if SOL_IS_OFF(SOL_ALIGN_MEMORY_I_)
+#if SOL_IS_OFF(SOL_ALIGN_MEMORY)
 			     false
 #else
 			     (std::alignment_of<T*>::value > 1 || std::alignment_of<unique_tag>::value > 1 || std::alignment_of<unique_destructor>::value > 1
@@ -370,10 +370,10 @@ namespace sol {
 
 			constexpr std::size_t initial_size = aligned_space_for<T*, unique_destructor, unique_tag, Real>();
 
-			void* pointer_adjusted;
-			void* dx_adjusted;
-			void* id_adjusted;
-			void* data_adjusted;
+			void* pointer_adjusted = nullptr;
+			void* dx_adjusted = nullptr;
+			void* id_adjusted = nullptr;
+			void* data_adjusted = nullptr;
 			bool result = attempt_alloc_unique(L,
 			     std::alignment_of_v<T*>,
 			     sizeof(T*),
@@ -406,7 +406,7 @@ namespace sol {
 		template <typename T>
 		T* user_allocate(lua_State* L) {
 			typedef std::integral_constant<bool,
-#if SOL_IS_OFF(SOL_ALIGN_MEMORY_I_)
+#if SOL_IS_OFF(SOL_ALIGN_MEMORY)
 			     false
 #else
 			     (std::alignment_of_v<T> > 1)
@@ -571,7 +571,7 @@ namespace sol {
 
 		template <typename T, type t, typename = void>
 		struct unqualified_checker;
-		template <typename T, type t, typename = void>
+		template <typename T, typename = void>
 		struct qualified_checker;
 
 		template <typename T, typename = void>
@@ -709,7 +709,6 @@ namespace sol {
 				}
 				else {
 					unqualified_getter<Tu> g {};
-					(void)g;
 					return g.get(L, index, tracking);
 				}
 			}
@@ -721,7 +720,6 @@ namespace sol {
 				}
 				else {
 					qualified_getter<T> g {};
-					(void)g;
 					return g.get(L, index, tracking);
 				}
 			}
@@ -877,7 +875,6 @@ namespace sol {
 			}
 			else {
 				unqualified_pusher<Tu> p {};
-				(void)p;
 				return p.push(L, std::forward<T>(t), std::forward<Args>(args)...);
 			}
 		}
@@ -897,7 +894,6 @@ namespace sol {
 			}
 			else {
 				unqualified_pusher<Tu> p {};
-				(void)p;
 				return p.push(L, std::forward<Arg>(arg), std::forward<Args>(args)...);
 			}
 		}
@@ -928,7 +924,7 @@ namespace sol {
 				using use_reference_tag =
 				meta::all<
 					meta::neg<is_value_semantic_for_function<T>>
-#if SOL_IS_OFF(SOL_FUNCTION_CALL_VALUE_SEMANTICS_I_)
+#if SOL_IS_OFF(SOL_FUNCTION_CALL_VALUE_SEMANTICS)
 					, std::is_lvalue_reference<T>,
 					meta::neg<std::is_const<std::remove_reference_t<T>>>,
 					meta::neg<is_lua_primitive<meta::unqualified_t<T>>>,
@@ -983,9 +979,7 @@ namespace sol {
 				return sol_lua_check(types<Tu>(), L, index, std::forward<Handler>(handler), tracking);
 			}
 			else {
-				unqualified_checker<Tu, lua_type_of_v<Tu>> c;
-				// VC++ has a bad warning here: shut it up
-				(void)c;
+				unqualified_checker<Tu, lua_type_of_v<Tu>> c{};
 				return c.check(L, index, std::forward<Handler>(handler), tracking);
 			}
 		}
@@ -1008,10 +1002,7 @@ namespace sol {
 				return sol_lua_check(types<T>(), L, index, std::forward<Handler>(handler), tracking);
 			}
 			else {
-				using Tu = meta::unqualified_t<T>;
-				qualified_checker<T, lua_type_of_v<Tu>> c;
-				// VC++ has a bad warning here: shut it up
-				(void)c;
+				qualified_checker<T> c{};
 				return c.check(L, index, std::forward<Handler>(handler), tracking);
 			}
 		}
@@ -1065,7 +1056,6 @@ namespace sol {
 			}
 			else {
 				unqualified_check_getter<Tu> cg {};
-				(void)cg;
 				return cg.get(L, index, std::forward<Handler>(handler), tracking);
 			}
 		}
@@ -1089,7 +1079,6 @@ namespace sol {
 			}
 			else {
 				qualified_check_getter<T> cg {};
-				(void)cg;
 				return cg.get(L, index, std::forward<Handler>(handler), tracking);
 			}
 		}
@@ -1145,7 +1134,7 @@ namespace sol {
 
 		template <typename T>
 		auto unqualified_get(lua_State* L, int index, record& tracking) -> decltype(stack_detail::unchecked_unqualified_get<T>(L, index, tracking)) {
-#if SOL_IS_ON(SOL_SAFE_GETTER_I_)
+#if SOL_IS_ON(SOL_SAFE_GETTER)
 			static constexpr bool is_op = meta::is_optional_v<T>;
 			if constexpr (is_op) {
 				return stack_detail::unchecked_unqualified_get<T>(L, index, tracking);
@@ -1170,7 +1159,7 @@ namespace sol {
 
 		template <typename T>
 		auto get(lua_State* L, int index, record& tracking) -> decltype(stack_detail::unchecked_get<T>(L, index, tracking)) {
-#if SOL_IS_ON(SOL_SAFE_GETTER_I_)
+#if SOL_IS_ON(SOL_SAFE_GETTER)
 			static constexpr bool is_op = meta::is_optional_v<T>;
 			if constexpr (is_op) {
 				return stack_detail::unchecked_get<T>(L, index, tracking);
diff --git a/extern/sol3/sol/stack_field.hpp b/extern/sol3/sol/stack_field.hpp
index a0ef28f8bd..3b81522561 100644
--- a/extern/sol3/sol/stack_field.hpp
+++ b/extern/sol3/sol/stack_field.hpp
@@ -2,7 +2,7 @@
 
 // The MIT License (MIT)
 
-// Copyright (c) 2013-2021 Rapptz, ThePhD and contributors
+// Copyright (c) 2013-2022 Rapptz, ThePhD and contributors
 
 // Permission is hereby granted, free of charge, to any person obtaining a copy of
 // this software and associated documentation files (the "Software"), to deal in
@@ -113,7 +113,17 @@ namespace sol { namespace stack {
 						lua_getglobal(L, &key[0]);
 					}
 					else {
-						lua_getfield(L, tableindex, &key[0]);
+						if constexpr (std::is_same_v<std::decay_t<Key>, const char*>) {
+							// Handle const char* case
+							if (key != nullptr) {
+								lua_getfield(L, tableindex, key);
+							} else {
+								push(L, lua_nil);
+							}
+						} else {
+							// Handle std::string case
+							lua_getfield(L, tableindex, key.c_str());
+						}
 					}
 				}
 				else if constexpr (std::is_same_v<T, meta_function>) {
diff --git a/extern/sol3/sol/stack_get.hpp b/extern/sol3/sol/stack_get.hpp
index 70e8c699ba..5b9c9f7fbe 100644
--- a/extern/sol3/sol/stack_get.hpp
+++ b/extern/sol3/sol/stack_get.hpp
@@ -2,7 +2,7 @@
 
 // The MIT License (MIT)
 
-// Copyright (c) 2013-2021 Rapptz, ThePhD and contributors
+// Copyright (c) 2013-2022 Rapptz, ThePhD and contributors
 
 // Permission is hereby granted, free of charge, to any person obtaining a copy of
 // this software and associated documentation files (the "Software"), to deal in
diff --git a/extern/sol3/sol/stack_get_qualified.hpp b/extern/sol3/sol/stack_get_qualified.hpp
index a71c2959ef..c8f50300b1 100644
--- a/extern/sol3/sol/stack_get_qualified.hpp
+++ b/extern/sol3/sol/stack_get_qualified.hpp
@@ -2,7 +2,7 @@
 
 // The MIT License (MIT)
 
-// Copyright (c) 2013-2021 Rapptz, ThePhD and contributors
+// Copyright (c) 2013-2022 Rapptz, ThePhD and contributors
 
 // Permission is hereby granted, free of charge, to any person obtaining a copy of
 // this software and associated documentation files (the "Software"), to deal in
diff --git a/extern/sol3/sol/stack_get_unqualified.hpp b/extern/sol3/sol/stack_get_unqualified.hpp
index 58ee34f583..0f7b06ff78 100644
--- a/extern/sol3/sol/stack_get_unqualified.hpp
+++ b/extern/sol3/sol/stack_get_unqualified.hpp
@@ -2,7 +2,7 @@
 
 // The MIT License (MIT)
 
-// Copyright (c) 2013-2021 Rapptz, ThePhD and contributors
+// Copyright (c) 2013-2022 Rapptz, ThePhD and contributors
 
 // Permission is hereby granted, free of charge, to any person obtaining a copy of
 // this software and associated documentation files (the "Software"), to deal in
@@ -24,12 +24,15 @@
 #ifndef SOL_STACK_UNQUALIFIED_GET_HPP
 #define SOL_STACK_UNQUALIFIED_GET_HPP
 
+#include <sol/version.hpp>
+
 #include <sol/stack_core.hpp>
 #include <sol/usertype_traits.hpp>
 #include <sol/inheritance.hpp>
 #include <sol/overload.hpp>
 #include <sol/error.hpp>
 #include <sol/unicode.hpp>
+#include <sol/abort.hpp>
 
 #include <memory>
 #include <functional>
@@ -37,7 +40,7 @@
 #include <cstdlib>
 #include <cmath>
 #include <string_view>
-#if SOL_IS_ON(SOL_STD_VARIANT_I_)
+#if SOL_IS_ON(SOL_STD_VARIANT)
 #include <variant>
 #endif // Apple clang screwed up
 
@@ -169,7 +172,7 @@ namespace sol { namespace stack {
 				luaL_Stream* pstream = static_cast<luaL_Stream*>(lua_touserdata(L, index));
 				return *pstream;
 			}
-#if SOL_IS_ON(SOL_GET_FUNCTION_POINTER_UNSAFE_I_)
+#if SOL_IS_ON(SOL_GET_FUNCTION_POINTER_UNSAFE)
 			else if constexpr (std::is_function_v<T> || (std::is_pointer_v<T> && std::is_function_v<std::remove_pointer_t<T>>)) {
 				return stack_detail::get_function_pointer<std::remove_pointer_t<T>>(L, index, tracking);
 			}
@@ -184,10 +187,10 @@ namespace sol { namespace stack {
 	struct qualified_getter {
 		static decltype(auto) get(lua_State* L, int index, record& tracking) {
 			using Tu = meta::unqualified_t<X>;
-			static constexpr bool is_userdata_of_some_kind
+			static constexpr bool is_maybe_userdata_of_some_kind
 				= !std::is_reference_v<
 				       X> && is_container_v<Tu> && std::is_default_constructible_v<Tu> && !is_lua_primitive_v<Tu> && !is_transparent_argument_v<Tu>;
-			if constexpr (is_userdata_of_some_kind) {
+			if constexpr (is_maybe_userdata_of_some_kind) {
 				if (type_of(L, index) == type::userdata) {
 					return static_cast<Tu>(stack_detail::unchecked_unqualified_get<Tu>(L, index, tracking));
 				}
@@ -210,11 +213,9 @@ namespace sol { namespace stack {
 				}
 				actual r {};
 				if constexpr (!derive<element>::value) {
-#if SOL_IS_ON(SOL_DEBUG_BUILD_I_)
 					// In debug mode we would rather abort you for this grave failure rather
 					// than let you deref a null pointer and fuck everything over
-					std::abort();
-#endif
+					SOL_DEBUG_ABORT();
 					return static_cast<actual>(std::move(r));
 				}
 				else {
@@ -247,11 +248,7 @@ namespace sol { namespace stack {
 						// uh oh..
 						break;
 					}
-#if SOL_IS_ON(SOL_DEBUG_BUILD_I_)
-					// In debug mode we would rather abort you for this grave failure rather
-					// than let you deref a null pointer and fuck everything over
-					std::abort();
-#endif
+					SOL_DEBUG_ABORT();
 					return static_cast<actual>(r);
 				}
 			}
@@ -355,8 +352,8 @@ namespace sol { namespace stack {
 				}
 				bool isnil = false;
 				for (int vi = 0; vi < lua_size<V>::value; ++vi) {
-#if SOL_IS_ON(SOL_LUA_NIL_IN_TABLES_I_) && SOL_LUA_VERSION_I_ >= 600
-#if SOL_IS_ON(SOL_SAFE_STACK_CHECK_I_)
+#if SOL_IS_ON(SOL_LUA_NIL_IN_TABLES) && SOL_LUA_VERSION_I_ >= 600
+#if SOL_IS_ON(SOL_SAFE_STACK_CHECK)
 					luaL_checkstack(L, 1, detail::not_enough_stack_space_generic);
 #endif // make sure stack doesn't overflow
 					lua_pushinteger(L, static_cast<lua_Integer>(i + vi));
@@ -376,7 +373,7 @@ namespace sol { namespace stack {
 						if (i == 0) {
 							break;
 						}
-#if SOL_IS_ON(SOL_LUA_NIL_IN_TABLES_I_) && SOL_LUA_VERSION_I_ >= 600
+#if SOL_IS_ON(SOL_LUA_NIL_IN_TABLES) && SOL_LUA_VERSION_I_ >= 600
 						lua_pop(L, vi);
 #else
 						lua_pop(L, (vi + 1));
@@ -386,7 +383,7 @@ namespace sol { namespace stack {
 					}
 				}
 				if (isnil) {
-#if SOL_IS_ON(SOL_LUA_NIL_IN_TABLES_I_) && SOL_LUA_VERSION_I_ >= 600
+#if SOL_IS_ON(SOL_LUA_NIL_IN_TABLES) && SOL_LUA_VERSION_I_ >= 600
 #else
 					lua_pop(L, lua_size<V>::value);
 #endif
@@ -404,7 +401,7 @@ namespace sol { namespace stack {
 					// see above comment
 					goto done;
 				}
-#if SOL_IS_ON(SOL_SAFE_STACK_CHECK_I_)
+#if SOL_IS_ON(SOL_SAFE_STACK_CHECK)
 				luaL_checkstack(L, 2, detail::not_enough_stack_space_generic);
 #endif // make sure stack doesn't overflow
 				bool isnil = false;
@@ -443,7 +440,7 @@ namespace sol { namespace stack {
 		static T get(types<K, V>, lua_State* L, int relindex, record& tracking) {
 			tracking.use(1);
 
-#if SOL_IS_ON(SOL_SAFE_STACK_CHECK_I_)
+#if SOL_IS_ON(SOL_SAFE_STACK_CHECK)
 			luaL_checkstack(L, 3, detail::not_enough_stack_space_generic);
 #endif // make sure stack doesn't overflow
 
@@ -486,7 +483,7 @@ namespace sol { namespace stack {
 		template <typename V>
 		static C get(types<V>, lua_State* L, int relindex, record& tracking) {
 			tracking.use(1);
-#if SOL_IS_ON(SOL_SAFE_STACK_CHECK_I_)
+#if SOL_IS_ON(SOL_SAFE_STACK_CHECK)
 			luaL_checkstack(L, 3, detail::not_enough_stack_space_generic);
 #endif // make sure stack doesn't overflow
 
@@ -551,7 +548,7 @@ namespace sol { namespace stack {
 		static C get(types<K, V>, lua_State* L, int relindex, record& tracking) {
 			tracking.use(1);
 
-#if SOL_IS_ON(SOL_SAFE_STACK_CHECK_I_)
+#if SOL_IS_ON(SOL_SAFE_STACK_CHECK)
 			luaL_checkstack(L, 3, detail::not_enough_stack_space_generic);
 #endif // make sure stack doesn't overflow
 
@@ -578,26 +575,20 @@ namespace sol { namespace stack {
 			using Tu = meta::unqualified_t<T>;
 			if constexpr (is_container_v<Tu>) {
 				if constexpr (meta::is_associative<Tu>::value) {
-					typedef typename T::value_type P;
+					typedef typename Tu::value_type P;
 					typedef typename P::first_type K;
 					typedef typename P::second_type V;
-					unqualified_getter<as_table_t<T>> g;
-					// VC++ has a bad warning here: shut it up
-					(void)g;
+					unqualified_getter<as_table_t<T>> g {};
 					return g.get(types<K, nested<V>>(), L, index, tracking);
 				}
 				else {
-					typedef typename T::value_type V;
-					unqualified_getter<as_table_t<T>> g;
-					// VC++ has a bad warning here: shut it up
-					(void)g;
+					typedef typename Tu::value_type V;
+					unqualified_getter<as_table_t<T>> g {};
 					return g.get(types<nested<V>>(), L, index, tracking);
 				}
 			}
 			else {
-				unqualified_getter<Tu> g;
-				// VC++ has a bad warning here: shut it up
-				(void)g;
+				unqualified_getter<Tu> g {};
 				return g.get(L, index, tracking);
 			}
 		}
@@ -617,6 +608,20 @@ namespace sol { namespace stack {
 		}
 	};
 
+	template <typename T>
+	struct unqualified_getter<exhaustive<T>> {
+		static decltype(auto) get(lua_State* arg_L, int index, record& tracking) {
+			return stack::get<T>(arg_L, index, tracking);
+		}
+	};
+
+	template <typename T>
+	struct unqualified_getter<non_exhaustive<T>> {
+		static decltype(auto) get(lua_State* arg_L, int index, record& tracking) {
+			return stack::get<T>(arg_L, index, tracking);
+		}
+	};
+
 	template <>
 	struct unqualified_getter<userdata_value> {
 		static userdata_value get(lua_State* L, int index, record& tracking) {
@@ -883,7 +888,7 @@ namespace sol { namespace stack {
 	struct unqualified_getter<detail::as_value_tag<T>> {
 		static T* get_no_lua_nil(lua_State* L, int index, record& tracking) {
 			void* memory = lua_touserdata(L, index);
-#if SOL_IS_ON(SOL_USE_INTEROP_I_)
+#if SOL_IS_ON(SOL_USE_INTEROP)
 			auto ugr = stack_detail::interop_get<T>(L, index, memory, tracking);
 			if (ugr.first) {
 				return ugr.second;
@@ -933,9 +938,7 @@ namespace sol { namespace stack {
 				tracking.use(1);
 				return nullptr;
 			}
-			unqualified_getter<detail::as_value_tag<T>> g;
-			// Avoid VC++ warning
-			(void)g;
+			unqualified_getter<detail::as_value_tag<T>> g{};
 			return g.get_no_lua_nil(L, index, tracking);
 		}
 	};
@@ -943,9 +946,7 @@ namespace sol { namespace stack {
 	template <typename T>
 	struct unqualified_getter<non_null<T*>> {
 		static T* get(lua_State* L, int index, record& tracking) {
-			unqualified_getter<detail::as_value_tag<T>> g;
-			// Avoid VC++ warning
-			(void)g;
+			unqualified_getter<detail::as_value_tag<T>> g{};
 			return g.get_no_lua_nil(L, index, tracking);
 		}
 	};
@@ -953,9 +954,7 @@ namespace sol { namespace stack {
 	template <typename T>
 	struct unqualified_getter<T&> {
 		static T& get(lua_State* L, int index, record& tracking) {
-			unqualified_getter<detail::as_value_tag<T>> g;
-			// Avoid VC++ warning
-			(void)g;
+			unqualified_getter<detail::as_value_tag<T>> g{};
 			return g.get(L, index, tracking);
 		}
 	};
@@ -963,9 +962,7 @@ namespace sol { namespace stack {
 	template <typename T>
 	struct unqualified_getter<std::reference_wrapper<T>> {
 		static T& get(lua_State* L, int index, record& tracking) {
-			unqualified_getter<T&> g;
-			// Avoid VC++ warning
-			(void)g;
+			unqualified_getter<T&> g{};
 			return g.get(L, index, tracking);
 		}
 	};
@@ -973,20 +970,16 @@ namespace sol { namespace stack {
 	template <typename T>
 	struct unqualified_getter<T*> {
 		static T* get(lua_State* L, int index, record& tracking) {
-#if SOL_IS_ON(SOL_GET_FUNCTION_POINTER_UNSAFE_I_)
+#if SOL_IS_ON(SOL_GET_FUNCTION_POINTER_UNSAFE)
 			if constexpr (std::is_function_v<T>) {
 				return stack_detail::get_function_pointer<T>(L, index, tracking);
 			}
 			else {
-				unqualified_getter<detail::as_pointer_tag<T>> g;
-				// Avoid VC++ warning
-				(void)g;
+				unqualified_getter<detail::as_pointer_tag<T>> g{};
 				return g.get(L, index, tracking);
 			}
 #else
-			unqualified_getter<detail::as_pointer_tag<T>> g;
-			// Avoid VC++ warning
-			(void)g;
+			unqualified_getter<detail::as_pointer_tag<T>> g{};
 			return g.get(L, index, tracking);
 #endif
 		}
@@ -1022,7 +1015,7 @@ namespace sol { namespace stack {
 		}
 	};
 
-#if SOL_IS_ON(SOL_STD_VARIANT_I_)
+#if SOL_IS_ON(SOL_STD_VARIANT)
 
 	template <typename... Tn>
 	struct unqualified_getter<std::variant<Tn...>> {
diff --git a/extern/sol3/sol/stack_guard.hpp b/extern/sol3/sol/stack_guard.hpp
index 9ae9a073d8..ce78ca8787 100644
--- a/extern/sol3/sol/stack_guard.hpp
+++ b/extern/sol3/sol/stack_guard.hpp
@@ -2,7 +2,7 @@
 
 // The MIT License (MIT)
 
-// Copyright (c) 2013-2021 Rapptz, ThePhD and contributors
+// Copyright (c) 2013-2022 Rapptz, ThePhD and contributors
 
 // Permission is hereby granted, free of charge, to any person obtaining a copy of
 // this software and associated documentation files (the "Software"), to deal in
@@ -31,7 +31,7 @@
 namespace sol {
 	namespace detail {
 		inline void stack_fail(int, int) {
-#if SOL_IS_OFF(SOL_EXCEPTIONS_I_)
+#if SOL_IS_ON(SOL_EXCEPTIONS)
 			throw error(detail::direct_error, "imbalanced stack after operation finish");
 #else
 			// Lol, what do you want, an error printout? :3c
diff --git a/extern/sol3/sol/stack_iterator.hpp b/extern/sol3/sol/stack_iterator.hpp
index e73a4df2f4..d152be2a75 100644
--- a/extern/sol3/sol/stack_iterator.hpp
+++ b/extern/sol3/sol/stack_iterator.hpp
@@ -2,7 +2,7 @@
 
 // The MIT License (MIT)
 
-// Copyright (c) 2013-2021 Rapptz, ThePhD and contributors
+// Copyright (c) 2013-2022 Rapptz, ThePhD and contributors
 
 // Permission is hereby granted, free of charge, to any person obtaining a copy of
 // this software and associated documentation files (the "Software"), to deal in
diff --git a/extern/sol3/sol/stack_pop.hpp b/extern/sol3/sol/stack_pop.hpp
index 065908fc0b..5ef0337317 100644
--- a/extern/sol3/sol/stack_pop.hpp
+++ b/extern/sol3/sol/stack_pop.hpp
@@ -2,7 +2,7 @@
 
 // The MIT License (MIT)
 
-// Copyright (c) 2013-2021 Rapptz, ThePhD and contributors
+// Copyright (c) 2013-2022 Rapptz, ThePhD and contributors
 
 // Permission is hereby granted, free of charge, to any person obtaining a copy of
 // this software and associated documentation files (the "Software"), to deal in
diff --git a/extern/sol3/sol/stack_probe.hpp b/extern/sol3/sol/stack_probe.hpp
index 3b97162182..d590a3d0af 100644
--- a/extern/sol3/sol/stack_probe.hpp
+++ b/extern/sol3/sol/stack_probe.hpp
@@ -2,7 +2,7 @@
 
 // The MIT License (MIT)
 
-// Copyright (c) 2013-2021 Rapptz, ThePhD and contributors
+// Copyright (c) 2013-2022 Rapptz, ThePhD and contributors
 
 // Permission is hereby granted, free of charge, to any person obtaining a copy of
 // this software and associated documentation files (the "Software"), to deal in
@@ -91,4 +91,4 @@ namespace sol { namespace stack {
 	};
 }} // namespace sol::stack
 
-#endif // SOL_STACK_PROBE_HPP
\ No newline at end of file
+#endif // SOL_STACK_PROBE_HPP
diff --git a/extern/sol3/sol/stack_proxy.hpp b/extern/sol3/sol/stack_proxy.hpp
index 169efd000f..8aa2b24ca2 100644
--- a/extern/sol3/sol/stack_proxy.hpp
+++ b/extern/sol3/sol/stack_proxy.hpp
@@ -2,7 +2,7 @@
 
 // The MIT License (MIT)
 
-// Copyright (c) 2013-2021 Rapptz, ThePhD and contributors
+// Copyright (c) 2013-2022 Rapptz, ThePhD and contributors
 
 // Permission is hereby granted, free of charge, to any person obtaining a copy of
 // this software and associated documentation files (the "Software"), to deal in
diff --git a/extern/sol3/sol/stack_proxy_base.hpp b/extern/sol3/sol/stack_proxy_base.hpp
index 75c6e78123..68f01d5548 100644
--- a/extern/sol3/sol/stack_proxy_base.hpp
+++ b/extern/sol3/sol/stack_proxy_base.hpp
@@ -2,7 +2,7 @@
 
 // The MIT License (MIT)
 
-// Copyright (c) 2013-2021 Rapptz, ThePhD and contributors
+// Copyright (c) 2013-2022 Rapptz, ThePhD and contributors
 
 // Permission is hereby granted, free of charge, to any person obtaining a copy of
 // this software and associated documentation files (the "Software"), to deal in
diff --git a/extern/sol3/sol/stack_push.hpp b/extern/sol3/sol/stack_push.hpp
index 098fa0a0b2..8b06f4d1ff 100644
--- a/extern/sol3/sol/stack_push.hpp
+++ b/extern/sol3/sol/stack_push.hpp
@@ -2,7 +2,7 @@
 
 // The MIT License (MIT)
 
-// Copyright (c) 2013-2021 Rapptz, ThePhD and contributors
+// Copyright (c) 2013-2022 Rapptz, ThePhD and contributors
 
 // Permission is hereby granted, free of charge, to any person obtaining a copy of
 // this software and associated documentation files (the "Software"), to deal in
@@ -30,6 +30,7 @@
 #include <sol/usertype_traits.hpp>
 #include <sol/policies.hpp>
 #include <sol/unicode.hpp>
+#include <sol/assert.hpp>
 
 #include <memory>
 #include <type_traits>
@@ -37,7 +38,7 @@
 #include <limits>
 #include <cmath>
 #include <string_view>
-#if SOL_IS_ON(SOL_STD_VARIANT_I_)
+#if SOL_IS_ON(SOL_STD_VARIANT)
 #include <variant>
 #endif // Can use variant
 
@@ -52,7 +53,7 @@ namespace sol { namespace stack {
 			constexpr bool is_same_signedness
 				= (std::is_signed_v<T> && std::is_signed_v<lua_Integer>) || (std::is_unsigned_v<T> && std::is_unsigned_v<lua_Integer>);
 			constexpr bool probaby_fits_within_lua_Integer = sizeof(T) == sizeof(lua_Integer)
-#if SOL_IS_ON(SOL_ALL_INTEGER_VALUES_FIT_I_)
+#if SOL_IS_ON(SOL_ALL_INTEGER_VALUES_FIT)
 				&& ((std::has_unique_object_representations_v<T> && std::has_unique_object_representations_v<lua_Integer>) ? true : is_same_signedness)
 #else
 				&& is_same_signedness
@@ -75,7 +76,7 @@ namespace sol { namespace stack {
 		int msvc_is_ass_with_if_constexpr_push_enum(std::true_type, lua_State* L, const T& value) {
 			if constexpr (meta::any_same_v<std::underlying_type_t<T>,
 				              char
-#if SOL_IS_ON(SOL_CHAR8_T_I_)
+#if SOL_IS_ON(SOL_CHAR8_T)
 				              ,
 				              char8_t
 #endif
@@ -101,7 +102,7 @@ namespace sol { namespace stack {
 	} // namespace stack_detail
 
 	inline int push_environment_of(lua_State* L, int target_index = -1) {
-#if SOL_IS_ON(SOL_SAFE_STACK_CHECK_I_)
+#if SOL_IS_ON(SOL_SAFE_STACK_CHECK)
 		luaL_checkstack(L, 1, detail::not_enough_stack_space_environment);
 #endif // make sure stack doesn't overflow
 #if SOL_LUA_VERSION_I_ < 502
@@ -141,14 +142,18 @@ namespace sol { namespace stack {
 	int push_environment_of(const T& target) {
 		lua_State* target_L = target.lua_state();
 		int target_index = absolute_index(target_L, -target.push());
-		return push_environment_of(target_L, target_index);
+		int env_count = push_environment_of(target_L, target_index);
+		SOL_ASSERT(env_count == 1);
+		lua_rotate(target_L, target_index, 1);
+		lua_pop(target_L, 1);
+		return env_count;
 	}
 
 	template <typename T>
 	struct unqualified_pusher<detail::as_value_tag<T>> {
 		template <typename F, typename... Args>
 		static int push_fx(lua_State* L, F&& f, Args&&... args) {
-#if SOL_IS_ON(SOL_SAFE_STACK_CHECK_I_)
+#if SOL_IS_ON(SOL_SAFE_STACK_CHECK)
 			luaL_checkstack(L, 1, detail::not_enough_stack_space_userdata);
 #endif // make sure stack doesn't overflow
        // Basically, we store all user-data like this:
@@ -193,7 +198,7 @@ namespace sol { namespace stack {
 		static int push_fx(lua_State* L, F&& f, T* obj) {
 			if (obj == nullptr)
 				return stack::push(L, lua_nil);
-#if SOL_IS_ON(SOL_SAFE_STACK_CHECK_I_)
+#if SOL_IS_ON(SOL_SAFE_STACK_CHECK)
 			luaL_checkstack(L, 1, detail::not_enough_stack_space_userdata);
 #endif // make sure stack doesn't overflow
 			T** pref = detail::usertype_allocate_pointer<T>(L);
@@ -249,7 +254,7 @@ namespace sol { namespace stack {
 
 			template <typename... Args>
 			static int push_deep(lua_State* L, Args&&... args) {
-#if SOL_IS_ON(SOL_SAFE_STACK_CHECK_I_)
+#if SOL_IS_ON(SOL_SAFE_STACK_CHECK)
 				luaL_checkstack(L, 1, detail::not_enough_stack_space_userdata);
 #endif // make sure stack doesn't overflow
 				element** pointer_to_memory = nullptr;
@@ -295,7 +300,7 @@ namespace sol { namespace stack {
 				return p[0];
 			}
 			else if constexpr (std::is_same_v<Tu, bool>) {
-#if SOL_IS_ON(SOL_SAFE_STACK_CHECK_I_)
+#if SOL_IS_ON(SOL_SAFE_STACK_CHECK)
 				luaL_checkstack(L, 1, detail::not_enough_stack_space_generic);
 #endif // make sure stack doesn't overflow
 				lua_pushboolean(L, std::forward<Args>(args)...);
@@ -303,7 +308,7 @@ namespace sol { namespace stack {
 			}
 			else if constexpr (std::is_integral_v<Tu> || std::is_same_v<Tu, lua_Integer>) {
 				const Tu& value(std::forward<Args>(args)...);
-#if SOL_IS_ON(SOL_SAFE_STACK_CHECK_I_)
+#if SOL_IS_ON(SOL_SAFE_STACK_CHECK)
 				luaL_checkstack(L, 1, detail::not_enough_stack_space_integral);
 #endif // make sure stack doesn't overflow
 #if SOL_LUA_VERSION_I_ >= 503
@@ -312,11 +317,11 @@ namespace sol { namespace stack {
 					return 1;
 				}
 #endif // Lua 5.3 and above
-#if SOL_IS_ON(SOL_NUMBER_PRECISION_CHECKS_I_)
+#if SOL_IS_ON(SOL_NUMBER_PRECISION_CHECKS)
 				if (static_cast<T>(llround(static_cast<lua_Number>(value))) != value) {
-#if SOL_IS_OFF(SOL_EXCEPTIONS_I_)
+#if SOL_IS_OFF(SOL_EXCEPTIONS)
 					// Is this really worth it?
-					assert(false && "integer value will be misrepresented in lua");
+					SOL_ASSERT_MSG(false, "integer value will be misrepresented in lua");
 					lua_pushinteger(L, static_cast<lua_Integer>(value));
 					return 1;
 #else
@@ -328,7 +333,7 @@ namespace sol { namespace stack {
 				return 1;
 			}
 			else if constexpr (std::is_floating_point_v<Tu> || std::is_same_v<Tu, lua_Number>) {
-#if SOL_IS_ON(SOL_SAFE_STACK_CHECK_I_)
+#if SOL_IS_ON(SOL_SAFE_STACK_CHECK)
 				luaL_checkstack(L, 1, detail::not_enough_stack_space_floating);
 #endif // make sure stack doesn't overflow
 				lua_pushnumber(L, std::forward<Args>(args)...);
@@ -338,7 +343,7 @@ namespace sol { namespace stack {
 				luaL_Stream* source { std::forward<Args>(args)... };
 				luaL_Stream* stream = static_cast<luaL_Stream*>(detail::alloc_newuserdata(L, sizeof(luaL_Stream)));
 				stream->f = source->f;
-#if SOL_IS_ON(SOL_LUAL_STREAM_USE_CLOSE_FUNCTION_I_)
+#if SOL_IS_ON(SOL_LUAL_STREAM_USE_CLOSE_FUNCTION)
 				stream->closef = source->closef;
 #endif // LuaJIT and Lua 5.1 and below do not have
 				return 1;
@@ -347,7 +352,7 @@ namespace sol { namespace stack {
 				luaL_Stream& source(std::forward<Args>(args)...);
 				luaL_Stream* stream = static_cast<luaL_Stream*>(detail::alloc_newuserdata(L, sizeof(luaL_Stream)));
 				stream->f = source.f;
-#if SOL_IS_ON(SOL_LUAL_STREAM_USE_CLOSE_FUNCTION_I_)
+#if SOL_IS_ON(SOL_LUAL_STREAM_USE_CLOSE_FUNCTION)
 				stream->closef = source.closef;
 #endif // LuaJIT and Lua 5.1 and below do not have
 				return 1;
@@ -423,7 +428,7 @@ namespace sol { namespace stack {
 					lua_seti(L, tableindex, static_cast<lua_Integer>(index++));
 				}
 #else
-#if SOL_IS_ON(SOL_SAFE_STACK_CHECK_I_)
+#if SOL_IS_ON(SOL_SAFE_STACK_CHECK)
 				luaL_checkstack(L, 1, detail::not_enough_stack_space_generic);
 #endif // make sure stack doesn't overflow
 				lua_pushinteger(L, static_cast<lua_Integer>(index));
@@ -436,7 +441,7 @@ namespace sol { namespace stack {
 					int firstindex = tableindex + 1 + 1;
 					for (int pi = 0; pi < p; ++pi) {
 						stack::push(L, index);
-#if SOL_IS_ON(SOL_SAFE_STACK_CHECK_I_)
+#if SOL_IS_ON(SOL_SAFE_STACK_CHECK)
 						luaL_checkstack(L, 1, detail::not_enough_stack_space_generic);
 #endif // make sure stack doesn't overflow
 						lua_pushvalue(L, firstindex);
@@ -506,8 +511,6 @@ namespace sol { namespace stack {
 	struct unqualified_pusher<std::initializer_list<T>> {
 		static int push(lua_State* L, const std::initializer_list<T>& il) noexcept {
 			unqualified_pusher<detail::as_table_tag<std::initializer_list<T>>> p {};
-			// silence annoying VC++ warning
-			(void)p;
 			return p.push(L, il);
 		}
 	};
@@ -515,7 +518,7 @@ namespace sol { namespace stack {
 	template <>
 	struct unqualified_pusher<lua_nil_t> {
 		static int push(lua_State* L, lua_nil_t) noexcept {
-#if SOL_IS_ON(SOL_SAFE_STACK_CHECK_I_)
+#if SOL_IS_ON(SOL_SAFE_STACK_CHECK)
 			luaL_checkstack(L, 1, detail::not_enough_stack_space_generic);
 #endif // make sure stack doesn't overflow
 			lua_pushnil(L);
@@ -533,7 +536,7 @@ namespace sol { namespace stack {
 	template <>
 	struct unqualified_pusher<metatable_key_t> {
 		static int push(lua_State* L, metatable_key_t) {
-#if SOL_IS_ON(SOL_SAFE_STACK_CHECK_I_)
+#if SOL_IS_ON(SOL_SAFE_STACK_CHECK)
 			luaL_checkstack(L, 1, detail::not_enough_stack_space_generic);
 #endif // make sure stack doesn't overflow
 			lua_pushlstring(L, to_string(meta_function::metatable).c_str(), 4);
@@ -544,7 +547,7 @@ namespace sol { namespace stack {
 	template <>
 	struct unqualified_pusher<std::remove_pointer_t<lua_CFunction>> {
 		static int push(lua_State* L, lua_CFunction func, int n = 0) noexcept {
-#if SOL_IS_ON(SOL_SAFE_STACK_CHECK_I_)
+#if SOL_IS_ON(SOL_SAFE_STACK_CHECK)
 			luaL_checkstack(L, 1, detail::not_enough_stack_space_generic);
 #endif // make sure stack doesn't overflow
 			lua_pushcclosure(L, func, n);
@@ -555,7 +558,7 @@ namespace sol { namespace stack {
 	template <>
 	struct unqualified_pusher<lua_CFunction> {
 		static int push(lua_State* L, lua_CFunction func, int n = 0) {
-#if SOL_IS_ON(SOL_SAFE_STACK_CHECK_I_)
+#if SOL_IS_ON(SOL_SAFE_STACK_CHECK)
 			luaL_checkstack(L, 1, detail::not_enough_stack_space_generic);
 #endif // make sure stack doesn't overflow
 			lua_pushcclosure(L, func, n);
@@ -563,11 +566,11 @@ namespace sol { namespace stack {
 		}
 	};
 
-#if SOL_IS_ON(SOL_USE_NOEXCEPT_FUNCTION_TYPE_I_)
+#if SOL_IS_ON(SOL_USE_NOEXCEPT_FUNCTION_TYPE)
 	template <>
 	struct unqualified_pusher<std::remove_pointer_t<detail::lua_CFunction_noexcept>> {
 		static int push(lua_State* L, detail::lua_CFunction_noexcept func, int n = 0) {
-#if SOL_IS_ON(SOL_SAFE_STACK_CHECK_I_)
+#if SOL_IS_ON(SOL_SAFE_STACK_CHECK)
 			luaL_checkstack(L, 1, detail::not_enough_stack_space_generic);
 #endif // make sure stack doesn't overflow
 			lua_pushcclosure(L, func, n);
@@ -578,7 +581,7 @@ namespace sol { namespace stack {
 	template <>
 	struct unqualified_pusher<detail::lua_CFunction_noexcept> {
 		static int push(lua_State* L, detail::lua_CFunction_noexcept func, int n = 0) {
-#if SOL_IS_ON(SOL_SAFE_STACK_CHECK_I_)
+#if SOL_IS_ON(SOL_SAFE_STACK_CHECK)
 			luaL_checkstack(L, 1, detail::not_enough_stack_space_generic);
 #endif // make sure stack doesn't overflow
 			lua_pushcclosure(L, func, n);
@@ -590,7 +593,7 @@ namespace sol { namespace stack {
 	template <>
 	struct unqualified_pusher<c_closure> {
 		static int push(lua_State* L, c_closure cc) {
-#if SOL_IS_ON(SOL_SAFE_STACK_CHECK_I_)
+#if SOL_IS_ON(SOL_SAFE_STACK_CHECK)
 			luaL_checkstack(L, 1, detail::not_enough_stack_space_generic);
 #endif // make sure stack doesn't overflow
 			lua_pushcclosure(L, cc.c_function, cc.upvalues);
@@ -616,7 +619,7 @@ namespace sol { namespace stack {
 	template <>
 	struct unqualified_pusher<void*> {
 		static int push(lua_State* L, void* userdata) noexcept {
-#if SOL_IS_ON(SOL_SAFE_STACK_CHECK_I_)
+#if SOL_IS_ON(SOL_SAFE_STACK_CHECK)
 			luaL_checkstack(L, 1, detail::not_enough_stack_space_generic);
 #endif // make sure stack doesn't overflow
 			lua_pushlightuserdata(L, userdata);
@@ -627,7 +630,7 @@ namespace sol { namespace stack {
 	template <>
 	struct unqualified_pusher<const void*> {
 		static int push(lua_State* L, const void* userdata) noexcept {
-#if SOL_IS_ON(SOL_SAFE_STACK_CHECK_I_)
+#if SOL_IS_ON(SOL_SAFE_STACK_CHECK)
 			luaL_checkstack(L, 1, detail::not_enough_stack_space_generic);
 #endif // make sure stack doesn't overflow
 			lua_pushlightuserdata(L, const_cast<void*>(userdata));
@@ -638,7 +641,7 @@ namespace sol { namespace stack {
 	template <>
 	struct unqualified_pusher<lightuserdata_value> {
 		static int push(lua_State* L, lightuserdata_value userdata) noexcept {
-#if SOL_IS_ON(SOL_SAFE_STACK_CHECK_I_)
+#if SOL_IS_ON(SOL_SAFE_STACK_CHECK)
 			luaL_checkstack(L, 1, detail::not_enough_stack_space_generic);
 #endif // make sure stack doesn't overflow
 			lua_pushlightuserdata(L, userdata);
@@ -649,10 +652,10 @@ namespace sol { namespace stack {
 	template <typename T>
 	struct unqualified_pusher<light<T>> {
 		static int push(lua_State* L, light<T> l) noexcept {
-#if SOL_IS_ON(SOL_SAFE_STACK_CHECK_I_)
+#if SOL_IS_ON(SOL_SAFE_STACK_CHECK)
 			luaL_checkstack(L, 1, detail::not_enough_stack_space_generic);
 #endif // make sure stack doesn't overflow
-			lua_pushlightuserdata(L, static_cast<void*>(l.value));
+			lua_pushlightuserdata(L, static_cast<void*>(l.value()));
 			return 1;
 		}
 	};
@@ -661,14 +664,14 @@ namespace sol { namespace stack {
 	struct unqualified_pusher<user<T>> {
 		template <bool with_meta = true, typename Key, typename... Args>
 		static int push_with(lua_State* L, Key&& name, Args&&... args) {
-#if SOL_IS_ON(SOL_SAFE_STACK_CHECK_I_)
+#if SOL_IS_ON(SOL_SAFE_STACK_CHECK)
 			luaL_checkstack(L, 1, detail::not_enough_stack_space_userdata);
 #endif // make sure stack doesn't overflow
        // A dumb pusher
 			T* data = detail::user_allocate<T>(L);
 			if (with_meta) {
 				// Make sure we have a plain GC set for this data
-#if SOL_IS_ON(SOL_SAFE_STACK_CHECK_I_)
+#if SOL_IS_ON(SOL_SAFE_STACK_CHECK)
 				luaL_checkstack(L, 1, detail::not_enough_stack_space_generic);
 #endif // make sure stack doesn't overflow
 				if (luaL_newmetatable(L, name) != 0) {
@@ -724,7 +727,7 @@ namespace sol { namespace stack {
 	template <>
 	struct unqualified_pusher<userdata_value> {
 		static int push(lua_State* L, userdata_value data) {
-#if SOL_IS_ON(SOL_SAFE_STACK_CHECK_I_)
+#if SOL_IS_ON(SOL_SAFE_STACK_CHECK)
 			luaL_checkstack(L, 1, detail::not_enough_stack_space_userdata);
 #endif // make sure stack doesn't overflow
 			void** ud = detail::usertype_allocate_pointer<void>(L);
@@ -736,7 +739,7 @@ namespace sol { namespace stack {
 	template <>
 	struct unqualified_pusher<const char*> {
 		static int push_sized(lua_State* L, const char* str, std::size_t len) {
-#if SOL_IS_ON(SOL_SAFE_STACK_CHECK_I_)
+#if SOL_IS_ON(SOL_SAFE_STACK_CHECK)
 			luaL_checkstack(L, 1, detail::not_enough_stack_space_string);
 #endif // make sure stack doesn't overflow
 			lua_pushlstring(L, str, len);
@@ -788,7 +791,7 @@ namespace sol { namespace stack {
 	template <size_t N>
 	struct unqualified_pusher<char[N]> {
 		static int push(lua_State* L, const char (&str)[N]) {
-#if SOL_IS_ON(SOL_SAFE_STACK_CHECK_I_)
+#if SOL_IS_ON(SOL_SAFE_STACK_CHECK)
 			luaL_checkstack(L, 1, detail::not_enough_stack_space_string);
 #endif // make sure stack doesn't overflow
 			lua_pushlstring(L, str, std::char_traits<char>::length(str));
@@ -796,7 +799,7 @@ namespace sol { namespace stack {
 		}
 
 		static int push(lua_State* L, const char (&str)[N], std::size_t sz) {
-#if SOL_IS_ON(SOL_SAFE_STACK_CHECK_I_)
+#if SOL_IS_ON(SOL_SAFE_STACK_CHECK)
 			luaL_checkstack(L, 1, detail::not_enough_stack_space_string);
 #endif // make sure stack doesn't overflow
 			lua_pushlstring(L, str, sz);
@@ -812,11 +815,11 @@ namespace sol { namespace stack {
 		}
 	};
 
-#if SOL_IS_ON(SOL_CHAR8_T_I_)
+#if SOL_IS_ON(SOL_CHAR8_T)
 	template <>
 	struct unqualified_pusher<const char8_t*> {
 		static int push_sized(lua_State* L, const char8_t* str, std::size_t len) {
-#if SOL_IS_ON(SOL_SAFE_STACK_CHECK_I_)
+#if SOL_IS_ON(SOL_SAFE_STACK_CHECK)
 			luaL_checkstack(L, 1, detail::not_enough_stack_space_string);
 #endif // make sure stack doesn't overflow
 			lua_pushlstring(L, reinterpret_cast<const char*>(str), len);
@@ -868,7 +871,7 @@ namespace sol { namespace stack {
 	template <size_t N>
 	struct unqualified_pusher<char8_t[N]> {
 		static int push(lua_State* L, const char8_t (&str)[N]) {
-#if SOL_IS_ON(SOL_SAFE_STACK_CHECK_I_)
+#if SOL_IS_ON(SOL_SAFE_STACK_CHECK)
 			luaL_checkstack(L, 1, detail::not_enough_stack_space_string);
 #endif // make sure stack doesn't overflow
 			const char* str_as_char = reinterpret_cast<const char*>(static_cast<const char8_t*>(str));
@@ -877,7 +880,7 @@ namespace sol { namespace stack {
 		}
 
 		static int push(lua_State* L, const char8_t (&str)[N], std::size_t sz) {
-#if SOL_IS_ON(SOL_SAFE_STACK_CHECK_I_)
+#if SOL_IS_ON(SOL_SAFE_STACK_CHECK)
 			luaL_checkstack(L, 1, detail::not_enough_stack_space_string);
 #endif // make sure stack doesn't overflow
 			lua_pushlstring(L, str, sz);
@@ -902,7 +905,7 @@ namespace sol { namespace stack {
 				return stack::push(L, str.data(), str.size());
 			}
 			else {
-#if SOL_IS_ON(SOL_SAFE_STACK_CHECK_I_)
+#if SOL_IS_ON(SOL_SAFE_STACK_CHECK)
 				luaL_checkstack(L, 1, detail::not_enough_stack_space_string);
 #endif // make sure stack doesn't overflow
 				lua_pushlstring(L, str.c_str(), str.size());
@@ -915,7 +918,7 @@ namespace sol { namespace stack {
 				return stack::push(L, str.data(), sz);
 			}
 			else {
-#if SOL_IS_ON(SOL_SAFE_STACK_CHECK_I_)
+#if SOL_IS_ON(SOL_SAFE_STACK_CHECK)
 				luaL_checkstack(L, 1, detail::not_enough_stack_space_string);
 #endif // make sure stack doesn't overflow
 				lua_pushlstring(L, str.c_str(), sz);
@@ -938,7 +941,7 @@ namespace sol { namespace stack {
 	template <>
 	struct unqualified_pusher<meta_function> {
 		static int push(lua_State* L, meta_function m) {
-#if SOL_IS_ON(SOL_SAFE_STACK_CHECK_I_)
+#if SOL_IS_ON(SOL_SAFE_STACK_CHECK)
 			luaL_checkstack(L, 1, detail::not_enough_stack_space_meta_function_name);
 #endif // make sure stack doesn't overflow
 			const std::string& str = to_string(m);
@@ -950,7 +953,7 @@ namespace sol { namespace stack {
 	template <>
 	struct unqualified_pusher<absolute_index> {
 		static int push(lua_State* L, absolute_index ai) {
-#if SOL_IS_ON(SOL_SAFE_STACK_CHECK_I_)
+#if SOL_IS_ON(SOL_SAFE_STACK_CHECK)
 			luaL_checkstack(L, 1, detail::not_enough_stack_space_generic);
 #endif // make sure stack doesn't overflow
 			lua_pushvalue(L, ai);
@@ -961,7 +964,7 @@ namespace sol { namespace stack {
 	template <>
 	struct unqualified_pusher<raw_index> {
 		static int push(lua_State* L, raw_index ri) {
-#if SOL_IS_ON(SOL_SAFE_STACK_CHECK_I_)
+#if SOL_IS_ON(SOL_SAFE_STACK_CHECK)
 			luaL_checkstack(L, 1, detail::not_enough_stack_space_generic);
 #endif // make sure stack doesn't overflow
 			lua_pushvalue(L, ri);
@@ -972,7 +975,7 @@ namespace sol { namespace stack {
 	template <>
 	struct unqualified_pusher<ref_index> {
 		static int push(lua_State* L, ref_index ri) {
-#if SOL_IS_ON(SOL_SAFE_STACK_CHECK_I_)
+#if SOL_IS_ON(SOL_SAFE_STACK_CHECK)
 			luaL_checkstack(L, 1, detail::not_enough_stack_space_generic);
 #endif // make sure stack doesn't overflow
 			lua_rawgeti(L, LUA_REGISTRYINDEX, ri);
@@ -1244,7 +1247,7 @@ namespace sol { namespace stack {
 	struct unqualified_pusher<std::tuple<Args...>> {
 		template <std::size_t... I, typename T>
 		static int push(std::index_sequence<I...>, lua_State* L, T&& t) {
-#if SOL_IS_ON(SOL_SAFE_STACK_CHECK_I_)
+#if SOL_IS_ON(SOL_SAFE_STACK_CHECK)
 			luaL_checkstack(L, static_cast<int>(sizeof...(I)), detail::not_enough_stack_space_generic);
 #endif // make sure stack doesn't overflow
 			int pushcount = 0;
@@ -1348,7 +1351,7 @@ namespace sol { namespace stack {
 		}
 	};
 
-#if SOL_IS_ON(SOL_STD_VARIANT_I_)
+#if SOL_IS_ON(SOL_STD_VARIANT)
 	namespace stack_detail {
 
 		struct push_function {
diff --git a/extern/sol3/sol/stack_reference.hpp b/extern/sol3/sol/stack_reference.hpp
index 18b987d6a0..d3a2ac586d 100644
--- a/extern/sol3/sol/stack_reference.hpp
+++ b/extern/sol3/sol/stack_reference.hpp
@@ -2,7 +2,7 @@
 
 // The MIT License (MIT)
 
-// Copyright (c) 2013-2021 Rapptz, ThePhD and contributors
+// Copyright (c) 2013-2022 Rapptz, ThePhD and contributors
 
 // Permission is hereby granted, free of charge, to any person obtaining a copy of
 // this software and associated documentation files (the "Software"), to deal in
@@ -70,7 +70,7 @@ namespace sol {
 		stateless_stack_reference& operator=(const stateless_stack_reference&) noexcept = default;
 
 		int push(lua_State* L_) const noexcept {
-#if SOL_IS_ON(SOL_SAFE_STACK_CHECK_I_)
+#if SOL_IS_ON(SOL_SAFE_STACK_CHECK)
 			luaL_checkstack(L_, 1, "not enough Lua stack space to push a single reference value");
 #endif // make sure stack doesn't overflow
 			lua_pushvalue(L_, m_index);
@@ -153,7 +153,7 @@ namespace sol {
 			}
 			int i = r.stack_index();
 			if (detail::xmovable(lua_state(), r.lua_state())) {
-#if SOL_IS_ON(SOL_SAFE_STACK_CHECK_I_)
+#if SOL_IS_ON(SOL_SAFE_STACK_CHECK)
 				luaL_checkstack(L, 1, "not enough Lua stack space to push a single reference value");
 #endif // make sure stack doesn't overflow
 				lua_pushvalue(r.lua_state(), r.stack_index());
diff --git a/extern/sol3/sol/state.hpp b/extern/sol3/sol/state.hpp
index 1f0f0bc418..ed2412ed65 100644
--- a/extern/sol3/sol/state.hpp
+++ b/extern/sol3/sol/state.hpp
@@ -2,7 +2,7 @@
 
 // The MIT License (MIT)
 
-// Copyright (c) 2013-2021 Rapptz, ThePhD and contributors
+// Copyright (c) 2013-2022 Rapptz, ThePhD and contributors
 
 // Permission is hereby granted, free of charge, to any person obtaining a copy of
 // this software and associated documentation files (the "Software"), to deal in
diff --git a/extern/sol3/sol/state_handling.hpp b/extern/sol3/sol/state_handling.hpp
index 52bfd52796..c3efe6c7ea 100644
--- a/extern/sol3/sol/state_handling.hpp
+++ b/extern/sol3/sol/state_handling.hpp
@@ -2,7 +2,7 @@
 
 // The MIT License (MIT)
 
-// Copyright (c) 2013-2021 Rapptz, ThePhD and contributors
+// Copyright (c) 2013-2022 Rapptz, ThePhD and contributors
 
 // Permission is hereby granted, free of charge, to any person obtaining a copy of
 // this software and associated documentation files (the "Software"), to deal in
@@ -31,7 +31,7 @@
 #include <sol/object.hpp>
 #include <sol/lua_value.hpp>
 
-#if SOL_IS_ON(SOL_PRINT_ERRORS_I_)
+#if SOL_IS_ON(SOL_PRINT_ERRORS)
 #include <iostream>
 #endif
 
@@ -51,7 +51,7 @@ namespace sol {
 	}
 
 	inline int default_at_panic(lua_State* L) {
-#if SOL_IS_OFF(SOL_EXCEPTIONS_I_)
+#if SOL_IS_OFF(SOL_EXCEPTIONS)
 		(void)L;
 		return -1;
 #else
@@ -60,7 +60,7 @@ namespace sol {
 		if (message) {
 			std::string err(message, messagesize);
 			lua_settop(L, 0);
-#if SOL_IS_ON(SOL_PRINT_ERRORS_I_)
+#if SOL_IS_ON(SOL_PRINT_ERRORS)
 			std::cerr << "[sol2] An error occurred and panic has been invoked: ";
 			std::cerr << err;
 			std::cerr << std::endl;
@@ -85,7 +85,7 @@ namespace sol {
 			const string_view& traceback = maybetraceback.value();
 			msg.assign(traceback.data(), traceback.size());
 		}
-#if SOL_IS_ON(SOL_PRINT_ERRORS_I_)
+#if SOL_IS_ON(SOL_PRINT_ERRORS)
 		// std::cerr << "[sol2] An error occurred and was caught in traceback: ";
 		// std::cerr << msg;
 		// std::cerr << std::endl;
@@ -120,7 +120,7 @@ namespace sol {
 		std::string err = "sol: ";
 		err += to_string(result.status());
 		err += " error";
-#if SOL_IS_ON(SOL_EXCEPTIONS_I_)
+#if SOL_IS_ON(SOL_EXCEPTIONS)
 		std::exception_ptr eptr = std::current_exception();
 		if (eptr) {
 			err += " with a ";
@@ -149,7 +149,7 @@ namespace sol {
 			string_view serr = stack::unqualified_get<string_view>(L, result.stack_index());
 			err.append(serr.data(), serr.size());
 		}
-#if SOL_IS_ON(SOL_PRINT_ERRORS_I_)
+#if SOL_IS_ON(SOL_PRINT_ERRORS)
 		std::cerr << "[sol2] An error occurred and has been passed to an error handler: ";
 		std::cerr << err;
 		std::cerr << std::endl;
@@ -165,7 +165,7 @@ namespace sol {
 		if (towards != 0) {
 			lua_rotate(L, top, towards);
 		}
-#if SOL_IS_OFF(SOL_EXCEPTIONS_I_)
+#if SOL_IS_OFF(SOL_EXCEPTIONS)
 		return result;
 #else
 		// just throw our error
@@ -174,7 +174,7 @@ namespace sol {
 	}
 
 	inline protected_function_result script_default_on_error(lua_State* L, protected_function_result pfr) {
-#if SOL_IS_ON(SOL_DEFAULT_PASS_ON_ERROR_I_)
+#if SOL_IS_ON(SOL_DEFAULT_PASS_ON_ERROR)
 		return script_pass_on_error(L, std::move(pfr));
 #else
 		return script_throw_on_error(L, std::move(pfr));
diff --git a/extern/sol3/sol/state_view.hpp b/extern/sol3/sol/state_view.hpp
index 6cbcf1188f..fe736d13a7 100644
--- a/extern/sol3/sol/state_view.hpp
+++ b/extern/sol3/sol/state_view.hpp
@@ -2,7 +2,7 @@
 
 // The MIT License (MIT)
 
-// Copyright (c) 2013-2021 Rapptz, ThePhD and contributors
+// Copyright (c) 2013-2022 Rapptz, ThePhD and contributors
 
 // Permission is hereby granted, free of charge, to any person obtaining a copy of
 // this software and associated documentation files (the "Software"), to deal in
@@ -129,7 +129,7 @@ namespace sol {
 
 				for (auto&& library : libraries) {
 					switch (library) {
-#if SOL_LUA_VERSION_I_ <= 501 && SOL_IS_ON(SOL_USE_LUAJIT_I_)
+#if SOL_LUA_VERSION_I_ <= 501 && SOL_IS_ON(SOL_USE_LUAJIT)
 					case lib::coroutine:
 #endif // luajit opens coroutine base stuff
 					case lib::base:
@@ -140,7 +140,7 @@ namespace sol {
 						luaL_requiref(L, "package", luaopen_package, 1);
 						lua_pop(L, 1);
 						break;
-#if SOL_IS_OFF(SOL_USE_LUAJIT_I_)
+#if SOL_IS_OFF(SOL_USE_LUAJIT)
 					case lib::coroutine:
 #if SOL_LUA_VERSION_I_ > 501
 						luaL_requiref(L, "coroutine", luaopen_coroutine, 1);
@@ -161,10 +161,10 @@ namespace sol {
 						lua_pop(L, 1);
 						break;
 					case lib::bit32:
-#if SOL_IS_ON(SOL_USE_LUAJIT_I_)
+#if SOL_IS_ON(SOL_USE_LUAJIT)
 						luaL_requiref(L, "bit32", luaopen_bit, 1);
 						lua_pop(L, 1);
-#elif SOL_IS_ON(SOL_LUA_BIT32_LIB_I_)
+#elif SOL_IS_ON(SOL_LUA_BIT32_LIB)
 						luaL_requiref(L, "bit32", luaopen_bit32, 1);
 						lua_pop(L, 1);
 #else
@@ -183,19 +183,19 @@ namespace sol {
 						lua_pop(L, 1);
 						break;
 					case lib::utf8:
-#if SOL_LUA_VERSION_I_ > 502 && SOL_IS_OFF(SOL_USE_LUAJIT_I_)
+#if SOL_LUA_VERSION_I_ > 502 && SOL_IS_OFF(SOL_USE_LUAJIT)
 						luaL_requiref(L, "utf8", luaopen_utf8, 1);
 						lua_pop(L, 1);
 #endif // Lua 5.3+ only
 						break;
 					case lib::ffi:
-#if SOL_IS_ON(SOL_USE_LUAJIT_I_) && SOL_IS_OFF(SOL_LUAJIT_FFI_DISABLED_I_)
+#if SOL_IS_ON(SOL_USE_LUAJIT) && SOL_IS_OFF(SOL_LUAJIT_FFI_DISABLED)
 						luaL_requiref(L, "ffi", luaopen_ffi, 1);
 						lua_pop(L, 1);
 #endif // LuaJIT only
 						break;
 					case lib::jit:
-#if SOL_IS_ON(SOL_USE_LUAJIT_I_)
+#if SOL_IS_ON(SOL_USE_LUAJIT)
 						luaL_requiref(L, "jit", luaopen_jit, 0);
 						lua_pop(L, 1);
 #endif // LuaJIT Only
@@ -551,7 +551,7 @@ namespace sol {
 			return safe_script_file(filename, env, script_default_on_error, mode);
 		}
 
-#if SOL_IS_ON(SOL_SAFE_FUNCTION_OBJECTS_I_)
+#if SOL_IS_ON(SOL_SAFE_FUNCTION_OBJECTS)
 		protected_function_result script(
 		     lua_Reader reader, void* data, const std::string& chunkname = detail::default_chunk_name(), load_mode mode = load_mode::any) {
 			return safe_script(reader, data, chunkname, mode);
diff --git a/extern/sol3/sol/string_view.hpp b/extern/sol3/sol/string_view.hpp
index 19f89f53cd..5d145cc5fc 100644
--- a/extern/sol3/sol/string_view.hpp
+++ b/extern/sol3/sol/string_view.hpp
@@ -2,7 +2,7 @@
 
 // The MIT License (MIT)
 
-// Copyright (c) 2013-2021 Rapptz, ThePhD and contributors
+// Copyright (c) 2013-2022 Rapptz, ThePhD and contributors
 
 // Permission is hereby granted, free of charge, to any person obtaining a copy of
 // this software and associated documentation files (the "Software"), to deal in
diff --git a/extern/sol3/sol/table.hpp b/extern/sol3/sol/table.hpp
index 7fca05b7bc..9a2f5385e3 100644
--- a/extern/sol3/sol/table.hpp
+++ b/extern/sol3/sol/table.hpp
@@ -1,116 +1,116 @@
-// sol2
-
-// The MIT License (MIT)
-
-// Copyright (c) 2013-2021 Rapptz, ThePhD and contributors
-
-// Permission is hereby granted, free of charge, to any person obtaining a copy of
-// this software and associated documentation files (the "Software"), to deal in
-// the Software without restriction, including without limitation the rights to
-// use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of
-// the Software, and to permit persons to whom the Software is furnished to do so,
-// subject to the following conditions:
-
-// The above copyright notice and this permission notice shall be included in all
-// copies or substantial portions of the Software.
-
-// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
-// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS
-// FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR
-// COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER
-// IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
-// CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
-
-#ifndef SOL_TABLE_HPP
-#define SOL_TABLE_HPP
-
-#include <sol/table_core.hpp>
-#include <sol/lua_table.hpp>
-#include <sol/usertype.hpp>
-
-namespace sol {
-	typedef table_core<false> table;
-
-	template <bool is_global, typename base_type>
-	template <typename Class, typename Key>
-	usertype<Class> basic_table_core<is_global, base_type>::new_usertype(Key&& key) {
-		constant_automagic_enrollments<> enrollments {};
-		return this->new_usertype<Class>(std::forward<Key>(key), std::move(enrollments));
-	}
-
-	template <bool is_global, typename base_type>
-	template <typename Class, typename Key, automagic_flags enrollment_flags>
-	usertype<Class> basic_table_core<is_global, base_type>::new_usertype(Key&& key, constant_automagic_enrollments<enrollment_flags> enrollments) {
-		int mt_index = u_detail::register_usertype<Class, enrollment_flags>(this->lua_state(), std::move(enrollments));
-		usertype<Class> mt(this->lua_state(), -mt_index);
-		lua_pop(this->lua_state(), 1);
-		set(std::forward<Key>(key), mt);
-		return mt;
-	}
-
-	template <bool is_global, typename base_type>
-	template <typename Class, typename Key>
-	usertype<Class> basic_table_core<is_global, base_type>::new_usertype(Key&& key, automagic_enrollments enrollments) {
-		int mt_index = u_detail::register_usertype<Class, automagic_flags::all>(this->lua_state(), std::move(enrollments));
-		usertype<Class> mt(this->lua_state(), -mt_index);
-		lua_pop(this->lua_state(), 1);
-		set(std::forward<Key>(key), mt);
-		return mt;
-	}
-
-	template <bool is_global, typename base_type>
-	template <typename Class, typename Key, typename Arg, typename... Args, typename>
-	usertype<Class> basic_table_core<is_global, base_type>::new_usertype(Key&& key, Arg&& arg, Args&&... args) {
-		constexpr automagic_flags enrollment_flags = meta::any_same_v<no_construction, meta::unqualified_t<Arg>, meta::unqualified_t<Args>...>
-		     ? clear_flags(automagic_flags::all, automagic_flags::default_constructor)
-		     : automagic_flags::all;
-		constant_automagic_enrollments<enrollment_flags> enrollments;
-		enrollments.default_constructor = !detail::any_is_constructor_v<Arg, Args...>;
-		enrollments.destructor = !detail::any_is_destructor_v<Arg, Args...>;
-		usertype<Class> ut = this->new_usertype<Class>(std::forward<Key>(key), std::move(enrollments));
-		static_assert(sizeof...(Args) % 2 == static_cast<std::size_t>(!detail::any_is_constructor_v<Arg>),
-		     "you must pass an even number of arguments to new_usertype after first passing a constructor");
-		if constexpr (detail::any_is_constructor_v<Arg>) {
-			ut.set(meta_function::construct, std::forward<Arg>(arg));
-			ut.tuple_set(std::make_index_sequence<(sizeof...(Args)) / 2>(), std::forward_as_tuple(std::forward<Args>(args)...));
-		}
-		else {
-			ut.tuple_set(std::make_index_sequence<(sizeof...(Args) + 1) / 2>(), std::forward_as_tuple(std::forward<Arg>(arg), std::forward<Args>(args)...));
-		}
-		return ut;
-	}
-
-	template <typename base_type>
-	template <typename Key, typename Value>
-	basic_metatable<base_type>& basic_metatable<base_type>::set(Key&& key, Value&& value) {
-		this->push();
-		lua_State* L = this->lua_state();
-		int target = lua_gettop(L);
-		optional<u_detail::usertype_storage_base&> maybe_uts = nullopt;
-		maybe_uts = u_detail::maybe_get_usertype_storage_base(L, target);
-		if (maybe_uts) {
-			u_detail::usertype_storage_base& uts = *maybe_uts;
-			uts.set(L, std::forward<Key>(key), std::forward<Value>(value));
-			return *this;
-		}
-		else {
-			base_t::set(std::forward<Key>(key), std::forward<Value>(value));
-		}
-		this->pop();
-		return *this;
-	}
-
-	namespace stack {
-		template <>
-		struct unqualified_getter<metatable_key_t> {
-			static metatable get(lua_State* L, int index = -1) {
-				if (lua_getmetatable(L, index) == 0) {
-					return metatable(L, ref_index(LUA_REFNIL));
-				}
-				return metatable(L, -1);
-			}
-		};
-	} // namespace stack
-} // namespace sol
-
-#endif // SOL_TABLE_HPP
+// sol2
+
+// The MIT License (MIT)
+
+// Copyright (c) 2013-2022 Rapptz, ThePhD and contributors
+
+// Permission is hereby granted, free of charge, to any person obtaining a copy of
+// this software and associated documentation files (the "Software"), to deal in
+// the Software without restriction, including without limitation the rights to
+// use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of
+// the Software, and to permit persons to whom the Software is furnished to do so,
+// subject to the following conditions:
+
+// The above copyright notice and this permission notice shall be included in all
+// copies or substantial portions of the Software.
+
+// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS
+// FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR
+// COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER
+// IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
+// CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+
+#ifndef SOL_TABLE_HPP
+#define SOL_TABLE_HPP
+
+#include <sol/table_core.hpp>
+#include <sol/lua_table.hpp>
+#include <sol/usertype.hpp>
+
+namespace sol {
+	typedef table_core<false> table;
+
+	template <bool is_global, typename base_type>
+	template <typename Class, typename Key>
+	usertype<Class> basic_table_core<is_global, base_type>::new_usertype(Key&& key) {
+		constant_automagic_enrollments<> enrollments {};
+		return this->new_usertype<Class>(std::forward<Key>(key), std::move(enrollments));
+	}
+
+	template <bool is_global, typename base_type>
+	template <typename Class, typename Key, automagic_flags enrollment_flags>
+	usertype<Class> basic_table_core<is_global, base_type>::new_usertype(Key&& key, constant_automagic_enrollments<enrollment_flags> enrollments) {
+		int mt_index = u_detail::register_usertype<Class, enrollment_flags>(this->lua_state(), std::move(enrollments));
+		usertype<Class> mt(this->lua_state(), -mt_index);
+		lua_pop(this->lua_state(), 1);
+		set(std::forward<Key>(key), mt);
+		return mt;
+	}
+
+	template <bool is_global, typename base_type>
+	template <typename Class, typename Key>
+	usertype<Class> basic_table_core<is_global, base_type>::new_usertype(Key&& key, automagic_enrollments enrollments) {
+		int mt_index = u_detail::register_usertype<Class, automagic_flags::all>(this->lua_state(), std::move(enrollments));
+		usertype<Class> mt(this->lua_state(), -mt_index);
+		lua_pop(this->lua_state(), 1);
+		set(std::forward<Key>(key), mt);
+		return mt;
+	}
+
+	template <bool is_global, typename base_type>
+	template <typename Class, typename Key, typename Arg, typename... Args, typename>
+	usertype<Class> basic_table_core<is_global, base_type>::new_usertype(Key&& key, Arg&& arg, Args&&... args) {
+		constexpr automagic_flags enrollment_flags = meta::any_same_v<no_construction, meta::unqualified_t<Arg>, meta::unqualified_t<Args>...>
+		     ? clear_flags(automagic_flags::all, automagic_flags::default_constructor)
+		     : automagic_flags::all;
+		constant_automagic_enrollments<enrollment_flags> enrollments;
+		enrollments.default_constructor = !detail::any_is_constructor_v<Arg, Args...>;
+		enrollments.destructor = !detail::any_is_destructor_v<Arg, Args...>;
+		usertype<Class> ut = this->new_usertype<Class>(std::forward<Key>(key), std::move(enrollments));
+		static_assert(sizeof...(Args) % 2 == static_cast<std::size_t>(!detail::any_is_constructor_v<Arg>),
+		     "you must pass an even number of arguments to new_usertype after first passing a constructor");
+		if constexpr (detail::any_is_constructor_v<Arg>) {
+			ut.set(meta_function::construct, std::forward<Arg>(arg));
+			ut.tuple_set(std::make_index_sequence<(sizeof...(Args)) / 2>(), std::forward_as_tuple(std::forward<Args>(args)...));
+		}
+		else {
+			ut.tuple_set(std::make_index_sequence<(sizeof...(Args) + 1) / 2>(), std::forward_as_tuple(std::forward<Arg>(arg), std::forward<Args>(args)...));
+		}
+		return ut;
+	}
+
+	template <typename base_type>
+	template <typename Key, typename Value>
+	basic_metatable<base_type>& basic_metatable<base_type>::set(Key&& key, Value&& value) {
+		this->push();
+		lua_State* L = this->lua_state();
+		int target = lua_gettop(L);
+		optional<u_detail::usertype_storage_base&> maybe_uts = nullopt;
+		maybe_uts = u_detail::maybe_get_usertype_storage_base(L, target);
+		if (maybe_uts) {
+			u_detail::usertype_storage_base& uts = *maybe_uts;
+			uts.set(L, std::forward<Key>(key), std::forward<Value>(value));
+			return *this;
+		}
+		else {
+			base_t::set(std::forward<Key>(key), std::forward<Value>(value));
+		}
+		this->pop();
+		return *this;
+	}
+
+	namespace stack {
+		template <>
+		struct unqualified_getter<metatable_key_t> {
+			static metatable get(lua_State* L, int index = -1) {
+				if (lua_getmetatable(L, index) == 0) {
+					return metatable(L, ref_index(LUA_REFNIL));
+				}
+				return metatable(L, -1);
+			}
+		};
+	} // namespace stack
+} // namespace sol
+
+#endif // SOL_TABLE_HPP
diff --git a/extern/sol3/sol/table_core.hpp b/extern/sol3/sol/table_core.hpp
index df2ace5c56..7b8eb353f1 100644
--- a/extern/sol3/sol/table_core.hpp
+++ b/extern/sol3/sol/table_core.hpp
@@ -2,7 +2,7 @@
 
 // The MIT License (MIT)
 
-// Copyright (c) 2013-2021 Rapptz, ThePhD and contributors
+// Copyright (c) 2013-2022 Rapptz, ThePhD and contributors
 
 // Permission is hereby granted, free of charge, to any person obtaining a copy of
 // this software and associated documentation files (the "Software"), to deal in
@@ -330,7 +330,7 @@ namespace sol {
 
 		template <typename T, meta::enable_any<is_lua_reference<meta::unqualified_t<T>>> = meta::enabler>
 		basic_table_core(lua_State* L, T&& r) : base_t(L, std::forward<T>(r)) {
-#if SOL_IS_ON(SOL_SAFE_REFERENCES_I_)
+#if SOL_IS_ON(SOL_SAFE_REFERENCES)
 			auto pp = stack::push_pop(*this);
 			int table_index = pp.index_of(*this);
 			constructor_handler handler {};
@@ -345,14 +345,14 @@ namespace sol {
 		}
 
 		basic_table_core(lua_State* L, int index = -1) : basic_table_core(detail::no_safety, L, index) {
-#if SOL_IS_ON(SOL_SAFE_REFERENCES_I_)
+#if SOL_IS_ON(SOL_SAFE_REFERENCES)
 			constructor_handler handler {};
 			stack::check<basic_table_core>(L, index, handler);
 #endif // Safety
 		}
 
 		basic_table_core(lua_State* L, ref_index index) : basic_table_core(detail::no_safety, L, index) {
-#if SOL_IS_ON(SOL_SAFE_REFERENCES_I_)
+#if SOL_IS_ON(SOL_SAFE_REFERENCES)
 			auto pp = stack::push_pop(*this);
 			int table_index = pp.index_of(*this);
 			constructor_handler handler {};
@@ -364,7 +364,7 @@ namespace sol {
 		     meta::enable<meta::neg<meta::any_same<meta::unqualified_t<T>, basic_table_core>>, meta::neg<std::is_same<ref_t, stack_reference>>,
 		          meta::neg<std::is_same<lua_nil_t, meta::unqualified_t<T>>>, is_lua_reference<meta::unqualified_t<T>>> = meta::enabler>
 		basic_table_core(T&& r) noexcept : basic_table_core(detail::no_safety, std::forward<T>(r)) {
-#if SOL_IS_ON(SOL_SAFE_REFERENCES_I_)
+#if SOL_IS_ON(SOL_SAFE_REFERENCES)
 			if (!is_table<meta::unqualified_t<T>>::value) {
 				auto pp = stack::push_pop(*this);
 				int table_index = pp.index_of(*this);
@@ -644,7 +644,7 @@ namespace sol {
 			auto pp = stack::push_pop(*this);
 			int table_index = pp.index_of(*this);
 			lua_State* L = base_t::lua_state();
-			(void)detail::swallow { 0, (stack::set_ref(L, std::forward<Args>(args), table_index), 0)... };
+			(void)detail::swallow { 0, (stack::stack_detail::raw_table_set(L, std::forward<Args>(args), table_index), 0)... };
 			return *this;
 		}
 
diff --git a/extern/sol3/sol/table_iterator.hpp b/extern/sol3/sol/table_iterator.hpp
index 8cf6f07575..3a0127cfac 100644
--- a/extern/sol3/sol/table_iterator.hpp
+++ b/extern/sol3/sol/table_iterator.hpp
@@ -2,7 +2,7 @@
 
 // The MIT License (MIT)
 
-// Copyright (c) 2013-2021 Rapptz, ThePhD and contributors
+// Copyright (c) 2013-2022 Rapptz, ThePhD and contributors
 
 // Permission is hereby granted, free of charge, to any person obtaining a copy of
 // this software and associated documentation files (the "Software"), to deal in
diff --git a/extern/sol3/sol/table_proxy.hpp b/extern/sol3/sol/table_proxy.hpp
index 680d2329f4..13c9006f7b 100644
--- a/extern/sol3/sol/table_proxy.hpp
+++ b/extern/sol3/sol/table_proxy.hpp
@@ -2,7 +2,7 @@
 
 // The MIT License (MIT)
 
-// Copyright (c) 2013-2021 Rapptz, ThePhD and contributors
+// Copyright (c) 2013-2022 Rapptz, ThePhD and contributors
 
 // Permission is hereby granted, free of charge, to any person obtaining a copy of
 // this software and associated documentation files (the "Software"), to deal in
@@ -77,6 +77,15 @@ namespace sol {
 		table_proxy(Table table, T&& k) : tbl(table), key(std::forward<T>(k)) {
 		}
 
+		table_proxy(const table_proxy&) = default;
+		table_proxy(table_proxy&&) = default;
+		table_proxy& operator=(const table_proxy& right) {
+			return set(right);
+		}
+		table_proxy& operator=(table_proxy&& right) {
+			return set(std::move(right));
+		}
+
 		template <typename T>
 		table_proxy& set(T&& item) & {
 			tuple_set(std::make_index_sequence<std::tuple_size_v<meta::unqualified_t<key_type>>>(), std::forward<T>(item));
@@ -101,7 +110,7 @@ namespace sol {
 			return std::move(*this);
 		}
 
-		template <typename T>
+		template <typename T, std::enable_if_t<!std::is_same_v<meta::unqualified_t<T>, table_proxy>>* = nullptr>
 		table_proxy& operator=(T&& other) & {
 			using Tu = meta::unwrap_unqualified_t<T>;
 			if constexpr (!is_lua_reference_or_proxy_v<Tu> && meta::is_invocable_v<Tu>) {
@@ -112,7 +121,7 @@ namespace sol {
 			}
 		}
 
-		template <typename T>
+		template <typename T, std::enable_if_t<!std::is_same_v<meta::unqualified_t<T>, table_proxy>>* = nullptr>
 		table_proxy&& operator=(T&& other) && {
 			using Tu = meta::unwrap_unqualified_t<T>;
 			if constexpr (!is_lua_reference_or_proxy_v<Tu> && meta::is_invocable_v<Tu> && !detail::is_msvc_callable_rigged_v<T>) {
@@ -133,6 +142,13 @@ namespace sol {
 			return std::move(*this).set(std::move(other));
 		}
 
+		template <typename T>
+		bool is() const {
+			typedef decltype(get<T>()) U;
+			optional<U> option = this->get<optional<U>>();
+			return option.has_value();
+		}
+
 		template <typename T>
 		decltype(auto) get() const& {
 			using idx_seq = std::make_index_sequence<std::tuple_size_v<meta::unqualified_t<key_type>>>;
diff --git a/extern/sol3/sol/thread.hpp b/extern/sol3/sol/thread.hpp
index fc933d0e9a..44367f19be 100644
--- a/extern/sol3/sol/thread.hpp
+++ b/extern/sol3/sol/thread.hpp
@@ -2,7 +2,7 @@
 
 // The MIT License (MIT)
 
-// Copyright (c) 2013-2021 Rapptz, ThePhD and contributors
+// Copyright (c) 2013-2022 Rapptz, ThePhD and contributors
 
 // Permission is hereby granted, free of charge, to any person obtaining a copy of
 // this software and associated documentation files (the "Software"), to deal in
@@ -94,7 +94,7 @@ namespace sol {
 		template <typename T,
 		     meta::enable<meta::neg<std::is_same<meta::unqualified_t<T>, basic_thread>>, is_lua_reference<meta::unqualified_t<T>>> = meta::enabler>
 		basic_thread(T&& r) : base_t(std::forward<T>(r)) {
-#if SOL_IS_ON(SOL_SAFE_REFERENCES_I_)
+#if SOL_IS_ON(SOL_SAFE_REFERENCES)
 			auto pp = stack::push_pop(*this);
 			constructor_handler handler {};
 			stack::check<basic_thread>(lua_state(), -1, handler);
@@ -106,20 +106,20 @@ namespace sol {
 		basic_thread& operator=(basic_thread&&) = default;
 		template <typename T, meta::enable<is_lua_reference<meta::unqualified_t<T>>> = meta::enabler>
 		basic_thread(lua_State* L, T&& r) : base_t(L, std::forward<T>(r)) {
-#if SOL_IS_ON(SOL_SAFE_REFERENCES_I_)
+#if SOL_IS_ON(SOL_SAFE_REFERENCES)
 			auto pp = stack::push_pop(*this);
 			constructor_handler handler {};
 			stack::check<basic_thread>(lua_state(), -1, handler);
 #endif // Safety
 		}
 		basic_thread(lua_State* L, int index = -1) : base_t(L, index) {
-#if SOL_IS_ON(SOL_SAFE_REFERENCES_I_)
+#if SOL_IS_ON(SOL_SAFE_REFERENCES)
 			constructor_handler handler {};
 			stack::check<basic_thread>(L, index, handler);
 #endif // Safety
 		}
 		basic_thread(lua_State* L, ref_index index) : base_t(L, index) {
-#if SOL_IS_ON(SOL_SAFE_REFERENCES_I_)
+#if SOL_IS_ON(SOL_SAFE_REFERENCES)
 			auto pp = stack::push_pop(*this);
 			constructor_handler handler {};
 			stack::check<basic_thread>(lua_state(), -1, handler);
@@ -130,7 +130,7 @@ namespace sol {
 		basic_thread(lua_State* L, this_state actualthread) : basic_thread(L, lua_thread_state { actualthread.L }) {
 		}
 		basic_thread(lua_State* L, lua_thread_state actualthread) : base_t(L, -stack::push(L, actualthread)) {
-#if SOL_IS_ON(SOL_SAFE_REFERENCES_I_)
+#if SOL_IS_ON(SOL_SAFE_REFERENCES)
 			constructor_handler handler {};
 			stack::check<basic_thread>(lua_state(), -1, handler);
 #endif // Safety
diff --git a/extern/sol3/sol/tie.hpp b/extern/sol3/sol/tie.hpp
index 6f6b7dc46d..41db45f8d0 100644
--- a/extern/sol3/sol/tie.hpp
+++ b/extern/sol3/sol/tie.hpp
@@ -2,7 +2,7 @@
 
 // The MIT License (MIT)
 
-// Copyright (c) 2013-2021 Rapptz, ThePhD and contributors
+// Copyright (c) 2013-2022 Rapptz, ThePhD and contributors
 
 // Permission is hereby granted, free of charge, to any person obtaining a copy of
 // this software and associated documentation files (the "Software"), to deal in
diff --git a/extern/sol3/sol/traits.hpp b/extern/sol3/sol/traits.hpp
index 5af4cb374a..372c97be99 100644
--- a/extern/sol3/sol/traits.hpp
+++ b/extern/sol3/sol/traits.hpp
@@ -2,7 +2,7 @@
 
 // The MIT License (MIT)
 
-// Copyright (c) 2013-2021 Rapptz, ThePhD and contributors
+// Copyright (c) 2013-2022 Rapptz, ThePhD and contributors
 
 // Permission is hereby granted, free of charge, to any person obtaining a copy of
 // this software and associated documentation files (the "Software"), to deal in
@@ -37,7 +37,7 @@
 #include <array>
 #include <iterator>
 #include <iosfwd>
-#if SOL_IS_ON(SOL_STD_VARIANT_I_)
+#if SOL_IS_ON(SOL_STD_VARIANT)
 #include <variant>
 #endif // variant is weird on XCode, thanks XCode
 
@@ -479,7 +479,7 @@ namespace sol { namespace meta {
 		template <typename T, typename U>
 		class supports_op_less_test<T, U, void_t<decltype(std::declval<T&>() < std::declval<U&>())>>
 		: public std::integral_constant<bool,
-#if SOL_IS_ON(SOL_STD_VARIANT_I_)
+#if SOL_IS_ON(SOL_STD_VARIANT)
 			  !is_specialization_of_v<unqualified_t<T>, std::variant> && !is_specialization_of_v<unqualified_t<U>, std::variant>
 #else
 			  true
@@ -492,7 +492,7 @@ namespace sol { namespace meta {
 		template <typename T, typename U>
 		class supports_op_equal_test<T, U, void_t<decltype(std::declval<T&>() == std::declval<U&>())>>
 		: public std::integral_constant<bool,
-#if SOL_IS_ON(SOL_STD_VARIANT_I_)
+#if SOL_IS_ON(SOL_STD_VARIANT)
 			  !is_specialization_of_v<unqualified_t<T>, std::variant> && !is_specialization_of_v<unqualified_t<U>, std::variant>
 #else
 			  true
@@ -505,7 +505,7 @@ namespace sol { namespace meta {
 		template <typename T, typename U>
 		class supports_op_less_equal_test<T, U, void_t<decltype(std::declval<T&>() <= std::declval<U&>())>>
 		: public std::integral_constant<bool,
-#if SOL_IS_ON(SOL_STD_VARIANT_I_)
+#if SOL_IS_ON(SOL_STD_VARIANT)
 			  !is_specialization_of_v<unqualified_t<T>, std::variant> && !is_specialization_of_v<unqualified_t<U>, std::variant>
 #else
 			  true
@@ -530,8 +530,20 @@ namespace sol { namespace meta {
 
 		template <typename T>
 		using non_void_t = meta::conditional_t<std::is_void_v<T>, ::sol::detail::unchecked_t, T>;
+
+		template <typename T>
+		using detect_sentinel = typename T::sentinel;
 	} // namespace meta_detail
 
+	template <typename T, typename Fallback>
+	class sentinel_or {
+	public:
+		using type = detected_or_t<Fallback, meta_detail::detect_sentinel, T>;
+	};
+
+	template <typename T, typename Fallback>
+	using sentinel_or_t = typename sentinel_or<T, Fallback>::type;
+
 	template <typename T, typename U = T>
 	class supports_op_less : public meta_detail::supports_op_less_test<T, U> { };
 
@@ -626,11 +638,12 @@ namespace sol { namespace meta {
 	constexpr inline bool is_string_literal_array_of_v = is_string_literal_array_of<T, CharT>::value;
 
 	template <typename T>
-	using is_string_literal_array = boolean<std::is_array_v<T> && any_same_v<std::remove_all_extents_t<T>, char,
-#if SOL_IS_ON(SOL_CHAR8_T_I_)
-	char8_t,
+	using is_string_literal_array = boolean<std::is_array_v<T>
+		&& any_same_v<std::remove_all_extents_t<T>, char,
+#if SOL_IS_ON(SOL_CHAR8_T)
+		     char8_t,
 #endif
-	char16_t, char32_t, wchar_t>>;
+		     char16_t, char32_t, wchar_t>>;
 
 	template <typename T>
 	constexpr inline bool is_string_literal_array_v = is_string_literal_array<T>::value;
@@ -661,9 +674,8 @@ namespace sol { namespace meta {
 	constexpr inline bool is_string_like_v = is_string_like<T>::value;
 
 	template <typename T, typename CharT = char>
-	using is_string_constructible = meta::boolean<
-		is_string_literal_array_of_v<T,
-		     CharT> || std::is_same_v<T, const CharT*> || std::is_same_v<T, CharT> || is_string_of_v<T, CharT> || std::is_same_v<T, std::initializer_list<CharT>> || is_string_view_of_v<T, CharT> || std::is_null_pointer_v<T>>;
+	using is_string_constructible = meta::boolean<is_string_literal_array_of_v<T, CharT> || std::is_same_v<T, const CharT*> || std::is_same_v<T, CharT>
+		|| is_string_of_v<T, CharT> || std::is_same_v<T, std::initializer_list<CharT>> || is_string_view_of_v<T, CharT> || std::is_null_pointer_v<T>>;
 
 	template <typename T, typename CharT = char>
 	constexpr inline bool is_string_constructible_v = is_string_constructible<T, CharT>::value;
@@ -733,7 +745,6 @@ namespace sol { namespace meta {
 	struct iterator_tag<T, conditional_t<false, typename std::iterator_traits<T>::iterator_category, void>> {
 		using type = typename std::iterator_traits<T>::iterator_category;
 	};
-
-}} // namespace sol::meta
+}}     // namespace sol::meta
 
 #endif // SOL_TRAITS_HPP
diff --git a/extern/sol3/sol/trampoline.hpp b/extern/sol3/sol/trampoline.hpp
index d4e5bfc5c7..3a3ceb9bc9 100644
--- a/extern/sol3/sol/trampoline.hpp
+++ b/extern/sol3/sol/trampoline.hpp
@@ -2,7 +2,7 @@
 
 // The MIT License (MIT)
 
-// Copyright (c) 2013-2021 Rapptz, ThePhD and contributors
+// Copyright (c) 2013-2022 Rapptz, ThePhD and contributors
 
 // Permission is hereby granted, free of charge, to any person obtaining a copy of
 // this software and associated documentation files (the "Software"), to deal in
@@ -29,7 +29,7 @@
 #include <exception>
 #include <cstring>
 
-#if SOL_IS_ON(SOL_PRINT_ERRORS_I_)
+#if SOL_IS_ON(SOL_PRINT_ERRORS)
 #include <iostream>
 #endif
 
@@ -47,7 +47,7 @@ namespace sol {
 
 		// must push at least 1 object on the stack
 		inline int default_exception_handler(lua_State* L, optional<const std::exception&>, string_view what) {
-#if SOL_IS_ON(SOL_PRINT_ERRORS_I_)
+#if SOL_IS_ON(SOL_PRINT_ERRORS)
 			std::cerr << "[sol2] An exception occurred: ";
 			std::cerr.write(what.data(), static_cast<std::streamsize>(what.size()));
 			std::cerr << std::endl;
@@ -72,13 +72,13 @@ namespace sol {
 			return exfunc(L, std::move(maybe_ex), std::move(what));
 		}
 
-#if SOL_IS_OFF(SOL_EXCEPTIONS_I_)
+#if SOL_IS_OFF(SOL_EXCEPTIONS)
 		template <lua_CFunction f>
 		int static_trampoline(lua_State* L) noexcept {
 			return f(L);
 		}
 
-#if SOL_IS_ON(SOL_USE_NOEXCEPT_FUNCTION_TYPE_I_)
+#if SOL_IS_ON(SOL_USE_NOEXCEPT_FUNCTION_TYPE)
 		template <lua_CFunction_noexcept f>
 		int static_trampoline_noexcept(lua_State* L) noexcept {
 			return f(L);
@@ -101,7 +101,7 @@ namespace sol {
 #else
 
 		inline int lua_cfunction_trampoline(lua_State* L, lua_CFunction f) {
-#if SOL_IS_ON(SOL_PROPAGATE_EXCEPTIONS_I_)
+#if SOL_IS_ON(SOL_PROPAGATE_EXCEPTIONS)
 			return f(L);
 #else
 			try {
@@ -116,14 +116,14 @@ namespace sol {
 			catch (const std::exception& e) {
 				call_exception_handler(L, optional<const std::exception&>(e), e.what());
 			}
-#if SOL_IS_ON(SOL_EXCEPTIONS_CATCH_ALL_I_)
+#if SOL_IS_ON(SOL_EXCEPTIONS_CATCH_ALL)
 			// LuaJIT cannot have the catchall when the safe propagation is on
 			// but LuaJIT will swallow all C++ errors
 			// if we don't at least catch std::exception ones
 			catch (...) {
 				call_exception_handler(L, optional<const std::exception&>(nullopt), "caught (...) exception");
 			}
-#endif // LuaJIT cannot have the catchall, but we must catch std::exceps for it
+#endif
 			return lua_error(L);
 #endif // Safe exceptions
 		}
@@ -133,7 +133,7 @@ namespace sol {
 			return lua_cfunction_trampoline(L, f);
 		}
 
-#if SOL_IS_ON(SOL_USE_NOEXCEPT_FUNCTION_TYPE_I_)
+#if SOL_IS_ON(SOL_USE_NOEXCEPT_FUNCTION_TYPE)
 		template <lua_CFunction_noexcept f>
 		int static_trampoline_noexcept(lua_State* L) noexcept {
 			return f(L);
@@ -151,7 +151,7 @@ namespace sol {
 				return f(L, std::forward<Args>(args)...);
 			}
 			else {
-#if SOL_IS_ON(SOL_PROPAGATE_EXCEPTIONS_I_)
+#if SOL_IS_ON(SOL_PROPAGATE_EXCEPTIONS)
 				return f(L, std::forward<Args>(args)...);
 #else
 				try {
@@ -166,7 +166,7 @@ namespace sol {
 				catch (const std::exception& e) {
 					call_exception_handler(L, optional<const std::exception&>(e), e.what());
 				}
-#if SOL_IS_ON(SOL_EXCEPTIONS_CATCH_ALL_I_)
+#if SOL_IS_ON(SOL_EXCEPTIONS_CATCH_ALL)
 				// LuaJIT cannot have the catchall when the safe propagation is on
 				// but LuaJIT will swallow all C++ errors
 				// if we don't at least catch std::exception ones
@@ -187,11 +187,12 @@ namespace sol {
 		template <typename F, F fx>
 		inline int typed_static_trampoline(lua_State* L) {
 #if 0
-			// TODO: you must evaluate the get/check_get of every
+			// NOTE: you must evaluate the get/check_get of every
 			// argument, to ensure it doesn't throw
 			// (e.g., for the sol_lua_check_access extension point!)
 			// This incluudes properly noexcept-ing all the above
 			// trampolines / safety nets
+			// This is currently not done properly because it's an enormous pain in the ass to attempt to accomplish.
 			if constexpr (meta::bind_traits<F>::is_noexcept) {
 				return static_trampoline_noexcept<fx>(L);
 			}
diff --git a/extern/sol3/sol/tuple.hpp b/extern/sol3/sol/tuple.hpp
index 92c242658d..c65dc9d6ad 100644
--- a/extern/sol3/sol/tuple.hpp
+++ b/extern/sol3/sol/tuple.hpp
@@ -1,93 +1,93 @@
-// sol2
-
-// The MIT License (MIT)
-
-// Copyright (c) 2013-2021 Rapptz, ThePhD and contributors
-
-// Permission is hereby granted, free of charge, to any person obtaining a copy of
-// this software and associated documentation files (the "Software"), to deal in
-// the Software without restriction, including without limitation the rights to
-// use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of
-// the Software, and to permit persons to whom the Software is furnished to do so,
-// subject to the following conditions:
-
-// The above copyright notice and this permission notice shall be included in all
-// copies or substantial portions of the Software.
-
-// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
-// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS
-// FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR
-// COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER
-// IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
-// CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
-
-#ifndef SOL_TUPLE_HPP
-#define SOL_TUPLE_HPP
-
-#include <sol/forward.hpp>
-#include <sol/base_traits.hpp>
-
-#include <tuple>
-#include <cstddef>
-
-namespace sol {
-	namespace detail {
-		using swallow = std::initializer_list<int>;
-	} // namespace detail
-
-	namespace meta {
-		template <typename T>
-		using is_tuple = is_specialization_of<T, std::tuple>;
-
-		template <typename T>
-		constexpr inline bool is_tuple_v = is_tuple<T>::value;
-
-		namespace detail {
-			template <typename... Args>
-			struct tuple_types_ {
-				typedef types<Args...> type;
-			};
-
-			template <typename... Args>
-			struct tuple_types_<std::tuple<Args...>> {
-				typedef types<Args...> type;
-			};
-		} // namespace detail
-
-		template <typename... Args>
-		using tuple_types = typename detail::tuple_types_<Args...>::type;
-
-		template <typename Arg>
-		struct pop_front_type;
-
-		template <typename Arg>
-		using pop_front_type_t = typename pop_front_type<Arg>::type;
-
-		template <typename... Args>
-		struct pop_front_type<types<Args...>> {
-			typedef void front_type;
-			typedef types<Args...> type;
-		};
-
-		template <typename Arg, typename... Args>
-		struct pop_front_type<types<Arg, Args...>> {
-			typedef Arg front_type;
-			typedef types<Args...> type;
-		};
-
-		template <std::size_t N, typename Tuple>
-		using tuple_element = std::tuple_element<N, std::remove_reference_t<Tuple>>;
-
-		template <std::size_t N, typename Tuple>
-		using tuple_element_t = std::tuple_element_t<N, std::remove_reference_t<Tuple>>;
-
-		template <std::size_t N, typename Tuple>
-		using unqualified_tuple_element = unqualified<tuple_element_t<N, Tuple>>;
-
-		template <std::size_t N, typename Tuple>
-		using unqualified_tuple_element_t = unqualified_t<tuple_element_t<N, Tuple>>;
-
-	} // namespace meta
-} // namespace sol
-
-#endif // SOL_TUPLE_HPP
+// sol2
+
+// The MIT License (MIT)
+
+// Copyright (c) 2013-2022 Rapptz, ThePhD and contributors
+
+// Permission is hereby granted, free of charge, to any person obtaining a copy of
+// this software and associated documentation files (the "Software"), to deal in
+// the Software without restriction, including without limitation the rights to
+// use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of
+// the Software, and to permit persons to whom the Software is furnished to do so,
+// subject to the following conditions:
+
+// The above copyright notice and this permission notice shall be included in all
+// copies or substantial portions of the Software.
+
+// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS
+// FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR
+// COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER
+// IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
+// CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+
+#ifndef SOL_TUPLE_HPP
+#define SOL_TUPLE_HPP
+
+#include <sol/forward.hpp>
+#include <sol/base_traits.hpp>
+
+#include <tuple>
+#include <cstddef>
+
+namespace sol {
+	namespace detail {
+		using swallow = std::initializer_list<int>;
+	} // namespace detail
+
+	namespace meta {
+		template <typename T>
+		using is_tuple = is_specialization_of<T, std::tuple>;
+
+		template <typename T>
+		constexpr inline bool is_tuple_v = is_tuple<T>::value;
+
+		namespace detail {
+			template <typename... Args>
+			struct tuple_types_ {
+				typedef types<Args...> type;
+			};
+
+			template <typename... Args>
+			struct tuple_types_<std::tuple<Args...>> {
+				typedef types<Args...> type;
+			};
+		} // namespace detail
+
+		template <typename... Args>
+		using tuple_types = typename detail::tuple_types_<Args...>::type;
+
+		template <typename Arg>
+		struct pop_front_type;
+
+		template <typename Arg>
+		using pop_front_type_t = typename pop_front_type<Arg>::type;
+
+		template <typename... Args>
+		struct pop_front_type<types<Args...>> {
+			typedef void front_type;
+			typedef types<Args...> type;
+		};
+
+		template <typename Arg, typename... Args>
+		struct pop_front_type<types<Arg, Args...>> {
+			typedef Arg front_type;
+			typedef types<Args...> type;
+		};
+
+		template <std::size_t N, typename Tuple>
+		using tuple_element = std::tuple_element<N, std::remove_reference_t<Tuple>>;
+
+		template <std::size_t N, typename Tuple>
+		using tuple_element_t = std::tuple_element_t<N, std::remove_reference_t<Tuple>>;
+
+		template <std::size_t N, typename Tuple>
+		using unqualified_tuple_element = unqualified<tuple_element_t<N, Tuple>>;
+
+		template <std::size_t N, typename Tuple>
+		using unqualified_tuple_element_t = unqualified_t<tuple_element_t<N, Tuple>>;
+
+	} // namespace meta
+} // namespace sol
+
+#endif // SOL_TUPLE_HPP
diff --git a/extern/sol3/sol/types.hpp b/extern/sol3/sol/types.hpp
index 23cfbbf0f3..204516a21e 100644
--- a/extern/sol3/sol/types.hpp
+++ b/extern/sol3/sol/types.hpp
@@ -2,7 +2,7 @@
 
 // The MIT License (MIT)
 
-// Copyright (c) 2013-2021 Rapptz, ThePhD and contributors
+// Copyright (c) 2013-2022 Rapptz, ThePhD and contributors
 
 // Permission is hereby granted, free of charge, to any person obtaining a copy of
 // this software and associated documentation files (the "Software"), to deal in
@@ -39,8 +39,10 @@
 #include <initializer_list>
 #include <string>
 #include <string_view>
+#include <limits>
 #include <optional>
-#if SOL_IS_ON(SOL_STD_VARIANT_I_)
+#include <memory>
+#if SOL_IS_ON(SOL_STD_VARIANT)
 #include <variant>
 #endif // variant shenanigans (thanks, Mac OSX)
 
@@ -55,7 +57,7 @@ namespace sol {
 	} // namespace d
 
 	namespace detail {
-#if SOL_IS_ON(SOL_USE_NOEXCEPT_FUNCTION_TYPE_I_)
+#if SOL_IS_ON(SOL_USE_NOEXCEPT_FUNCTION_TYPE)
 		typedef int (*lua_CFunction_noexcept)(lua_State* L) noexcept;
 #else
 		typedef int (*lua_CFunction_noexcept)(lua_State* L);
@@ -92,7 +94,7 @@ namespace sol {
 	inline bool operator!=(lua_nil_t, lua_nil_t) {
 		return false;
 	}
-#if SOL_IS_ON(SOL_NIL_I_)
+#if SOL_IS_ON(SOL_NIL)
 	using nil_t = lua_nil_t;
 	inline constexpr const nil_t& nil = lua_nil;
 #endif
@@ -465,6 +467,63 @@ namespace sol {
 		return as_container_t<T>(std::forward<T>(value));
 	}
 
+	template <typename T, std::size_t Limit = 15>
+	struct exhaustive_until : private detail::ebco<T> {
+	private:
+		using base_t = detail::ebco<T>;
+
+	public:
+		using base_t::base_t;
+
+		using base_t::value;
+
+		operator std::add_pointer_t<std::remove_reference_t<T>>() {
+			return std::addressof(this->base_t::value());
+		}
+
+		operator std::add_pointer_t<std::add_const_t<std::remove_reference_t<T>>>() const {
+			return std::addressof(this->base_t::value());
+		}
+
+		operator std::add_lvalue_reference_t<T>() {
+			return this->base_t::value();
+		}
+
+		operator std::add_const_t<std::add_lvalue_reference_t<T>>&() const {
+			return this->base_t::value();
+		}
+	};
+
+	template <typename T>
+	using exhaustive = exhaustive_until<T, (std::numeric_limits<size_t>::max)()>;
+
+	template <typename T>
+	struct non_exhaustive : private detail::ebco<T> {
+	private:
+		using base_t = detail::ebco<T>;
+
+	public:
+		using base_t::base_t;
+
+		using base_t::value;
+
+		operator std::add_pointer_t<std::remove_reference_t<T>>() {
+			return std::addressof(this->base_t::value());
+		}
+
+		operator std::add_pointer_t<std::add_const_t<std::remove_reference_t<T>>>() const {
+			return std::addressof(this->base_t::value());
+		}
+
+		operator std::add_lvalue_reference_t<T>() {
+			return this->base_t::value();
+		}
+
+		operator std::add_const_t<std::add_lvalue_reference_t<T>>&() const {
+			return this->base_t::value();
+		}
+	};
+
 	template <typename T>
 	struct push_invoke_t : private detail::ebco<T> {
 	private:
@@ -658,7 +717,7 @@ namespace sol {
 	enum class type : int {
 		none = LUA_TNONE,
 		lua_nil = LUA_TNIL,
-#if SOL_IS_ON(SOL_NIL_I_)
+#if SOL_IS_ON(SOL_NIL)
 		nil = lua_nil,
 #endif // Objective C/C++ Keyword that's found in OSX SDK and OBJC -- check for all forms to protect
 		string = LUA_TSTRING,
@@ -932,7 +991,7 @@ namespace sol {
 		template <std::size_t N>
 		struct lua_type_of<wchar_t[N]> : std::integral_constant<type, type::string> { };
 
-#if SOL_IS_ON(SOL_CHAR8_T_I_)
+#if SOL_IS_ON(SOL_CHAR8_T)
 		template <std::size_t N>
 		struct lua_type_of<char8_t[N]> : std::integral_constant<type, type::string> { };
 #endif
@@ -949,7 +1008,7 @@ namespace sol {
 		template <>
 		struct lua_type_of<wchar_t> : std::integral_constant<type, type::string> { };
 
-#if SOL_IS_ON(SOL_CHAR8_T_I_)
+#if SOL_IS_ON(SOL_CHAR8_T)
 		template <>
 		struct lua_type_of<char8_t> : std::integral_constant<type, type::string> { };
 #endif
@@ -966,7 +1025,7 @@ namespace sol {
 		template <>
 		struct lua_type_of<const wchar_t*> : std::integral_constant<type, type::string> { };
 
-#if SOL_IS_ON(SOL_CHAR8_T_I_)
+#if SOL_IS_ON(SOL_CHAR8_T)
 		template <>
 		struct lua_type_of<const char8_t*> : std::integral_constant<type, type::string> { };
 #endif
@@ -1115,7 +1174,7 @@ namespace sol {
 		template <>
 		struct lua_type_of<type> : std::integral_constant<type, type::poly> { };
 
-#if SOL_IS_ON(SOL_GET_FUNCTION_POINTER_UNSAFE_I_)
+#if SOL_IS_ON(SOL_GET_FUNCTION_POINTER_UNSAFE)
 		template <typename T>
 		struct lua_type_of<T*> : std::integral_constant<type, std::is_function_v<T> ? type::function : type::userdata> { };
 #else
@@ -1136,7 +1195,7 @@ namespace sol {
 		template <>
 		struct lua_type_of<meta_function> : std::integral_constant<type, type::string> { };
 
-#if SOL_IS_ON(SOL_STD_VARIANT_I_)
+#if SOL_IS_ON(SOL_STD_VARIANT)
 		template <typename... Tn>
 		struct lua_type_of<std::variant<Tn...>> : std::integral_constant<type, type::poly> { };
 #endif // std::variant deployment sucks on Clang
@@ -1193,19 +1252,21 @@ namespace sol {
 	} // namespace detail
 
 	template <typename T>
-	struct is_lua_primitive
-	: std::integral_constant<bool,
-	       type::userdata
-	                 != lua_type_of_v<
-	                      T> || ((type::userdata == lua_type_of_v<T>)&&meta::meta_detail::has_internal_marker_v<lua_type_of<T>> && !meta::meta_detail::has_internal_marker_v<lua_size<T>>)
-	            || is_lua_reference_or_proxy_v<T> || meta::is_specialization_of_v<T, std::tuple> || meta::is_specialization_of_v<T, std::pair>> { };
+	struct is_lua_primitive : std::integral_constant<bool,
+	                               type::userdata != lua_type_of_v<T>                                   // cf
+	                                    || ((type::userdata == lua_type_of_v<T>)                        // cf
+	                                         &&meta::meta_detail::has_internal_marker_v<lua_type_of<T>> // cf
+	                                         && !meta::meta_detail::has_internal_marker_v<lua_size<T>>) // cf
+	                                    || is_lua_reference_or_proxy_v<T>                               // cf
+	                                    || meta::is_specialization_of_v<T, std::tuple>                  // cf
+	                                    || meta::is_specialization_of_v<T, std::pair>> { };
 
 	template <typename T>
 	constexpr inline bool is_lua_primitive_v = is_lua_primitive<T>::value;
 
 	template <typename T>
 	struct is_value_semantic_for_function
-#if SOL_IS_ON(SOL_FUNCTION_CALL_VALUE_SEMANTICS_I_)
+#if SOL_IS_ON(SOL_FUNCTION_CALL_VALUE_SEMANTICS)
 	: std::true_type {
 	};
 #else
@@ -1360,7 +1421,7 @@ namespace sol {
 	template <typename T>
 	struct is_automagical
 	: std::integral_constant<bool,
-	       (SOL_IS_ON(SOL_DEFAULT_AUTOMAGICAL_USERTYPES_I_))
+	       (SOL_IS_ON(SOL_DEFAULT_AUTOMAGICAL_USERTYPES))
 	            || (std::is_array_v<
 	                     meta::unqualified_t<T>> || (!std::is_same_v<meta::unqualified_t<T>, state> && !std::is_same_v<meta::unqualified_t<T>, state_view>))> {
 	};
diff --git a/extern/sol3/sol/unicode.hpp b/extern/sol3/sol/unicode.hpp
index 6427b855ee..3eedb70de0 100644
--- a/extern/sol3/sol/unicode.hpp
+++ b/extern/sol3/sol/unicode.hpp
@@ -1,308 +1,308 @@
-#pragma once
-
-#include <sol/string_view.hpp>
-#include <array>
-#include <cstring>
-
-namespace sol {
-	// Everything here was lifted pretty much straight out of
-	// ogonek, because fuck figuring it out=
-	namespace unicode {
-		enum class error_code {
-			ok = 0,
-			invalid_code_point,
-			invalid_code_unit,
-			invalid_leading_surrogate,
-			invalid_trailing_surrogate,
-			sequence_too_short,
-			overlong_sequence,
-		};
-
-		inline const string_view& to_string(error_code ec) {
-			static const string_view storage[7] = { "ok",
-				"invalid code points",
-				"invalid code unit",
-				"invalid leading surrogate",
-				"invalid trailing surrogate",
-				"sequence too short",
-				"overlong sequence" };
-			return storage[static_cast<std::size_t>(ec)];
-		}
-
-		template <typename It>
-		struct decoded_result {
-			error_code error;
-			char32_t codepoint;
-			It next;
-		};
-
-		template <typename C>
-		struct encoded_result {
-			error_code error;
-			std::size_t code_units_size;
-			std::array<C, 4> code_units;
-		};
-
-		struct unicode_detail {
-			// codepoint related
-			static constexpr char32_t last_code_point = 0x10FFFF;
-
-			static constexpr char32_t first_lead_surrogate = 0xD800;
-			static constexpr char32_t last_lead_surrogate = 0xDBFF;
-
-			static constexpr char32_t first_trail_surrogate = 0xDC00;
-			static constexpr char32_t last_trail_surrogate = 0xDFFF;
-
-			static constexpr char32_t first_surrogate = first_lead_surrogate;
-			static constexpr char32_t last_surrogate = last_trail_surrogate;
-
-			static constexpr bool is_lead_surrogate(char32_t u) {
-				return u >= first_lead_surrogate && u <= last_lead_surrogate;
-			}
-			static constexpr bool is_trail_surrogate(char32_t u) {
-				return u >= first_trail_surrogate && u <= last_trail_surrogate;
-			}
-			static constexpr bool is_surrogate(char32_t u) {
-				return u >= first_surrogate && u <= last_surrogate;
-			}
-
-			// utf8 related
-			static constexpr auto last_1byte_value = 0x7Fu;
-			static constexpr auto last_2byte_value = 0x7FFu;
-			static constexpr auto last_3byte_value = 0xFFFFu;
-
-			static constexpr auto start_2byte_mask = 0x80u;
-			static constexpr auto start_3byte_mask = 0xE0u;
-			static constexpr auto start_4byte_mask = 0xF0u;
-
-			static constexpr auto continuation_mask = 0xC0u;
-			static constexpr auto continuation_signature = 0x80u;
-
-			static constexpr bool is_invalid(unsigned char b) {
-				return b == 0xC0 || b == 0xC1 || b > 0xF4;
-			}
-
-			static constexpr bool is_continuation(unsigned char b) {
-				return (b & unicode_detail::continuation_mask) == unicode_detail::continuation_signature;
-			}
-
-			static constexpr bool is_overlong(char32_t u, std::size_t bytes) {
-				return u <= unicode_detail::last_1byte_value || (u <= unicode_detail::last_2byte_value && bytes > 2)
-				     || (u <= unicode_detail::last_3byte_value && bytes > 3);
-			}
-
-			static constexpr int sequence_length(unsigned char b) {
-				return (b & start_2byte_mask) == 0                ? 1
-				     : (b & start_3byte_mask) != start_3byte_mask ? 2
-				     : (b & start_4byte_mask) != start_4byte_mask ? 3
-				                                                  : 4;
-			}
-
-			static constexpr char32_t decode(unsigned char b0, unsigned char b1) {
-				return (static_cast<char32_t>((b0 & 0x1Fu) << 6u) | static_cast<char32_t>(b1 & 0x3Fu));
-			}
-			static constexpr char32_t decode(unsigned char b0, unsigned char b1, unsigned char b2) {
-				return static_cast<char32_t>((b0 & 0x0Fu) << 12u) | static_cast<char32_t>((b1 & 0x3Fu) << 6u) | static_cast<char32_t>(b2 & 0x3Fu);
-			}
-			static constexpr char32_t decode(unsigned char b0, unsigned char b1, unsigned char b2, unsigned char b3) {
-				return static_cast<char32_t>(static_cast<char32_t>((b0 & 0x07u) << 18u) | static_cast<char32_t>((b1 & 0x3F) << 12)
-				     | static_cast<char32_t>((b2 & 0x3Fu) << 6u) | static_cast<char32_t>(b3 & 0x3Fu));
-			}
-
-			// utf16 related
-			static constexpr char32_t last_bmp_value = 0xFFFF;
-			static constexpr char32_t normalizing_value = 0x10000;
-			static constexpr int lead_surrogate_bitmask = 0xFFC00;
-			static constexpr int trail_surrogate_bitmask = 0x3FF;
-			static constexpr int lead_shifted_bits = 10;
-			static constexpr char32_t replacement = 0xFFFD;
-
-			static char32_t combine_surrogates(char16_t lead, char16_t trail) {
-				auto hi = lead - first_lead_surrogate;
-				auto lo = trail - first_trail_surrogate;
-				return normalizing_value + ((hi << lead_shifted_bits) | lo);
-			}
-		};
-
-		inline encoded_result<char> code_point_to_utf8(char32_t codepoint) {
-			encoded_result<char> er;
-			er.error = error_code::ok;
-			if (codepoint <= unicode_detail::last_1byte_value) {
-				er.code_units_size = 1;
-				er.code_units = std::array<char, 4> { { static_cast<char>(codepoint) } };
-			}
-			else if (codepoint <= unicode_detail::last_2byte_value) {
-				er.code_units_size = 2;
-				er.code_units = std::array<char, 4> { {
-					static_cast<char>(0xC0 | ((codepoint & 0x7C0) >> 6)),
-					static_cast<char>(0x80 | (codepoint & 0x3F)),
-				} };
-			}
-			else if (codepoint <= unicode_detail::last_3byte_value) {
-				er.code_units_size = 3;
-				er.code_units = std::array<char, 4> { {
-					static_cast<char>(0xE0 | ((codepoint & 0xF000) >> 12)),
-					static_cast<char>(0x80 | ((codepoint & 0xFC0) >> 6)),
-					static_cast<char>(0x80 | (codepoint & 0x3F)),
-				} };
-			}
-			else {
-				er.code_units_size = 4;
-				er.code_units = std::array<char, 4> { {
-					static_cast<char>(0xF0 | ((codepoint & 0x1C0000) >> 18)),
-					static_cast<char>(0x80 | ((codepoint & 0x3F000) >> 12)),
-					static_cast<char>(0x80 | ((codepoint & 0xFC0) >> 6)),
-					static_cast<char>(0x80 | (codepoint & 0x3F)),
-				} };
-			}
-			return er;
-		}
-
-		inline encoded_result<char16_t> code_point_to_utf16(char32_t codepoint) {
-			encoded_result<char16_t> er;
-
-			if (codepoint <= unicode_detail::last_bmp_value) {
-				er.code_units_size = 1;
-				er.code_units = std::array<char16_t, 4> { { static_cast<char16_t>(codepoint) } };
-				er.error = error_code::ok;
-			}
-			else {
-				auto normal = codepoint - unicode_detail::normalizing_value;
-				auto lead = unicode_detail::first_lead_surrogate + ((normal & unicode_detail::lead_surrogate_bitmask) >> unicode_detail::lead_shifted_bits);
-				auto trail = unicode_detail::first_trail_surrogate + (normal & unicode_detail::trail_surrogate_bitmask);
-				er.code_units = std::array<char16_t, 4> { { static_cast<char16_t>(lead), static_cast<char16_t>(trail) } };
-				er.code_units_size = 2;
-				er.error = error_code::ok;
-			}
-			return er;
-		}
-
-		inline encoded_result<char32_t> code_point_to_utf32(char32_t codepoint) {
-			encoded_result<char32_t> er;
-			er.code_units_size = 1;
-			er.code_units[0] = codepoint;
-			er.error = error_code::ok;
-			return er;
-		}
-
-		template <typename It>
-		inline decoded_result<It> utf8_to_code_point(It it, It last) {
-			decoded_result<It> dr;
-			if (it == last) {
-				dr.next = it;
-				dr.error = error_code::sequence_too_short;
-				return dr;
-			}
-
-			unsigned char b0 = static_cast<unsigned char>(*it);
-			std::size_t length = static_cast<std::size_t>(unicode_detail::sequence_length(b0));
-
-			if (length == 1) {
-				dr.codepoint = static_cast<char32_t>(b0);
-				dr.error = error_code::ok;
-				++it;
-				dr.next = it;
-				return dr;
-			}
-
-			if (unicode_detail::is_invalid(b0) || unicode_detail::is_continuation(b0)) {
-				dr.error = error_code::invalid_code_unit;
-				dr.next = it;
-				return dr;
-			}
-
-			++it;
-			std::array<unsigned char, 4> b;
-			b[0] = b0;
-			for (std::size_t i = 1; i < length; ++i) {
-				b[i] = static_cast<unsigned char>(*it);
-				if (!unicode_detail::is_continuation(b[i])) {
-					dr.error = error_code::invalid_code_unit;
-					dr.next = it;
-					return dr;
-				}
-				++it;
-			}
-
-			char32_t decoded;
-			switch (length) {
-			case 2:
-				decoded = unicode_detail::decode(b[0], b[1]);
-				break;
-			case 3:
-				decoded = unicode_detail::decode(b[0], b[1], b[2]);
-				break;
-			default:
-				decoded = unicode_detail::decode(b[0], b[1], b[2], b[3]);
-				break;
-			}
-
-			if (unicode_detail::is_overlong(decoded, length)) {
-				dr.error = error_code::overlong_sequence;
-				return dr;
-			}
-			if (unicode_detail::is_surrogate(decoded) || decoded > unicode_detail::last_code_point) {
-				dr.error = error_code::invalid_code_point;
-				return dr;
-			}
-
-			// then everything is fine
-			dr.codepoint = decoded;
-			dr.error = error_code::ok;
-			dr.next = it;
-			return dr;
-		}
-
-		template <typename It>
-		inline decoded_result<It> utf16_to_code_point(It it, It last) {
-			decoded_result<It> dr;
-			if (it == last) {
-				dr.next = it;
-				dr.error = error_code::sequence_too_short;
-				return dr;
-			}
-
-			char16_t lead = static_cast<char16_t>(*it);
-
-			if (!unicode_detail::is_surrogate(lead)) {
-				++it;
-				dr.codepoint = static_cast<char32_t>(lead);
-				dr.next = it;
-				dr.error = error_code::ok;
-				return dr;
-			}
-			if (!unicode_detail::is_lead_surrogate(lead)) {
-				dr.error = error_code::invalid_leading_surrogate;
-				dr.next = it;
-				return dr;
-			}
-
-			++it;
-			auto trail = *it;
-			if (!unicode_detail::is_trail_surrogate(trail)) {
-				dr.error = error_code::invalid_trailing_surrogate;
-				dr.next = it;
-				return dr;
-			}
-
-			dr.codepoint = unicode_detail::combine_surrogates(lead, trail);
-			dr.next = ++it;
-			dr.error = error_code::ok;
-			return dr;
-		}
-
-		template <typename It>
-		inline decoded_result<It> utf32_to_code_point(It it, It last) {
-			decoded_result<It> dr;
-			if (it == last) {
-				dr.next = it;
-				dr.error = error_code::sequence_too_short;
-				return dr;
-			}
-			dr.codepoint = static_cast<char32_t>(*it);
-			dr.next = ++it;
-			dr.error = error_code::ok;
-			return dr;
-		}
-	} // namespace unicode
-} // namespace sol
+#pragma once
+
+#include <sol/string_view.hpp>
+#include <array>
+#include <cstring>
+
+namespace sol {
+	// Everything here was lifted pretty much straight out of
+	// ogonek, because fuck figuring it out=
+	namespace unicode {
+		enum class error_code {
+			ok = 0,
+			invalid_code_point,
+			invalid_code_unit,
+			invalid_leading_surrogate,
+			invalid_trailing_surrogate,
+			sequence_too_short,
+			overlong_sequence,
+		};
+
+		inline const string_view& to_string(error_code ec) {
+			static const string_view storage[7] = { "ok",
+				"invalid code points",
+				"invalid code unit",
+				"invalid leading surrogate",
+				"invalid trailing surrogate",
+				"sequence too short",
+				"overlong sequence" };
+			return storage[static_cast<std::size_t>(ec)];
+		}
+
+		template <typename It>
+		struct decoded_result {
+			error_code error;
+			char32_t codepoint;
+			It next;
+		};
+
+		template <typename C>
+		struct encoded_result {
+			error_code error;
+			std::size_t code_units_size;
+			std::array<C, 4> code_units;
+		};
+
+		struct unicode_detail {
+			// codepoint related
+			static constexpr char32_t last_code_point = 0x10FFFF;
+
+			static constexpr char32_t first_lead_surrogate = 0xD800;
+			static constexpr char32_t last_lead_surrogate = 0xDBFF;
+
+			static constexpr char32_t first_trail_surrogate = 0xDC00;
+			static constexpr char32_t last_trail_surrogate = 0xDFFF;
+
+			static constexpr char32_t first_surrogate = first_lead_surrogate;
+			static constexpr char32_t last_surrogate = last_trail_surrogate;
+
+			static constexpr bool is_lead_surrogate(char32_t u) {
+				return u >= first_lead_surrogate && u <= last_lead_surrogate;
+			}
+			static constexpr bool is_trail_surrogate(char32_t u) {
+				return u >= first_trail_surrogate && u <= last_trail_surrogate;
+			}
+			static constexpr bool is_surrogate(char32_t u) {
+				return u >= first_surrogate && u <= last_surrogate;
+			}
+
+			// utf8 related
+			static constexpr auto last_1byte_value = 0x7Fu;
+			static constexpr auto last_2byte_value = 0x7FFu;
+			static constexpr auto last_3byte_value = 0xFFFFu;
+
+			static constexpr auto start_2byte_mask = 0x80u;
+			static constexpr auto start_3byte_mask = 0xE0u;
+			static constexpr auto start_4byte_mask = 0xF0u;
+
+			static constexpr auto continuation_mask = 0xC0u;
+			static constexpr auto continuation_signature = 0x80u;
+
+			static constexpr bool is_invalid(unsigned char b) {
+				return b == 0xC0 || b == 0xC1 || b > 0xF4;
+			}
+
+			static constexpr bool is_continuation(unsigned char b) {
+				return (b & unicode_detail::continuation_mask) == unicode_detail::continuation_signature;
+			}
+
+			static constexpr bool is_overlong(char32_t u, std::size_t bytes) {
+				return u <= unicode_detail::last_1byte_value || (u <= unicode_detail::last_2byte_value && bytes > 2)
+				     || (u <= unicode_detail::last_3byte_value && bytes > 3);
+			}
+
+			static constexpr int sequence_length(unsigned char b) {
+				return (b & start_2byte_mask) == 0                ? 1
+				     : (b & start_3byte_mask) != start_3byte_mask ? 2
+				     : (b & start_4byte_mask) != start_4byte_mask ? 3
+				                                                  : 4;
+			}
+
+			static constexpr char32_t decode(unsigned char b0, unsigned char b1) {
+				return (static_cast<char32_t>((b0 & 0x1Fu) << 6u) | static_cast<char32_t>(b1 & 0x3Fu));
+			}
+			static constexpr char32_t decode(unsigned char b0, unsigned char b1, unsigned char b2) {
+				return static_cast<char32_t>((b0 & 0x0Fu) << 12u) | static_cast<char32_t>((b1 & 0x3Fu) << 6u) | static_cast<char32_t>(b2 & 0x3Fu);
+			}
+			static constexpr char32_t decode(unsigned char b0, unsigned char b1, unsigned char b2, unsigned char b3) {
+				return static_cast<char32_t>(static_cast<char32_t>((b0 & 0x07u) << 18u) | static_cast<char32_t>((b1 & 0x3F) << 12)
+				     | static_cast<char32_t>((b2 & 0x3Fu) << 6u) | static_cast<char32_t>(b3 & 0x3Fu));
+			}
+
+			// utf16 related
+			static constexpr char32_t last_bmp_value = 0xFFFF;
+			static constexpr char32_t normalizing_value = 0x10000;
+			static constexpr int lead_surrogate_bitmask = 0xFFC00;
+			static constexpr int trail_surrogate_bitmask = 0x3FF;
+			static constexpr int lead_shifted_bits = 10;
+			static constexpr char32_t replacement = 0xFFFD;
+
+			static char32_t combine_surrogates(char16_t lead, char16_t trail) {
+				auto hi = lead - first_lead_surrogate;
+				auto lo = trail - first_trail_surrogate;
+				return normalizing_value + ((hi << lead_shifted_bits) | lo);
+			}
+		};
+
+		inline encoded_result<char> code_point_to_utf8(char32_t codepoint) {
+			encoded_result<char> er;
+			er.error = error_code::ok;
+			if (codepoint <= unicode_detail::last_1byte_value) {
+				er.code_units_size = 1;
+				er.code_units = std::array<char, 4> { { static_cast<char>(codepoint) } };
+			}
+			else if (codepoint <= unicode_detail::last_2byte_value) {
+				er.code_units_size = 2;
+				er.code_units = std::array<char, 4> { {
+					static_cast<char>(0xC0 | ((codepoint & 0x7C0) >> 6)),
+					static_cast<char>(0x80 | (codepoint & 0x3F)),
+				} };
+			}
+			else if (codepoint <= unicode_detail::last_3byte_value) {
+				er.code_units_size = 3;
+				er.code_units = std::array<char, 4> { {
+					static_cast<char>(0xE0 | ((codepoint & 0xF000) >> 12)),
+					static_cast<char>(0x80 | ((codepoint & 0xFC0) >> 6)),
+					static_cast<char>(0x80 | (codepoint & 0x3F)),
+				} };
+			}
+			else {
+				er.code_units_size = 4;
+				er.code_units = std::array<char, 4> { {
+					static_cast<char>(0xF0 | ((codepoint & 0x1C0000) >> 18)),
+					static_cast<char>(0x80 | ((codepoint & 0x3F000) >> 12)),
+					static_cast<char>(0x80 | ((codepoint & 0xFC0) >> 6)),
+					static_cast<char>(0x80 | (codepoint & 0x3F)),
+				} };
+			}
+			return er;
+		}
+
+		inline encoded_result<char16_t> code_point_to_utf16(char32_t codepoint) {
+			encoded_result<char16_t> er;
+
+			if (codepoint <= unicode_detail::last_bmp_value) {
+				er.code_units_size = 1;
+				er.code_units = std::array<char16_t, 4> { { static_cast<char16_t>(codepoint) } };
+				er.error = error_code::ok;
+			}
+			else {
+				auto normal = codepoint - unicode_detail::normalizing_value;
+				auto lead = unicode_detail::first_lead_surrogate + ((normal & unicode_detail::lead_surrogate_bitmask) >> unicode_detail::lead_shifted_bits);
+				auto trail = unicode_detail::first_trail_surrogate + (normal & unicode_detail::trail_surrogate_bitmask);
+				er.code_units = std::array<char16_t, 4> { { static_cast<char16_t>(lead), static_cast<char16_t>(trail) } };
+				er.code_units_size = 2;
+				er.error = error_code::ok;
+			}
+			return er;
+		}
+
+		inline encoded_result<char32_t> code_point_to_utf32(char32_t codepoint) {
+			encoded_result<char32_t> er;
+			er.code_units_size = 1;
+			er.code_units[0] = codepoint;
+			er.error = error_code::ok;
+			return er;
+		}
+
+		template <typename It>
+		inline decoded_result<It> utf8_to_code_point(It it, It last) {
+			decoded_result<It> dr;
+			if (it == last) {
+				dr.next = it;
+				dr.error = error_code::sequence_too_short;
+				return dr;
+			}
+
+			unsigned char b0 = static_cast<unsigned char>(*it);
+			std::size_t length = static_cast<std::size_t>(unicode_detail::sequence_length(b0));
+
+			if (length == 1) {
+				dr.codepoint = static_cast<char32_t>(b0);
+				dr.error = error_code::ok;
+				++it;
+				dr.next = it;
+				return dr;
+			}
+
+			if (unicode_detail::is_invalid(b0) || unicode_detail::is_continuation(b0)) {
+				dr.error = error_code::invalid_code_unit;
+				dr.next = it;
+				return dr;
+			}
+
+			++it;
+			std::array<unsigned char, 4> b;
+			b[0] = b0;
+			for (std::size_t i = 1; i < length; ++i) {
+				b[i] = static_cast<unsigned char>(*it);
+				if (!unicode_detail::is_continuation(b[i])) {
+					dr.error = error_code::invalid_code_unit;
+					dr.next = it;
+					return dr;
+				}
+				++it;
+			}
+
+			char32_t decoded;
+			switch (length) {
+			case 2:
+				decoded = unicode_detail::decode(b[0], b[1]);
+				break;
+			case 3:
+				decoded = unicode_detail::decode(b[0], b[1], b[2]);
+				break;
+			default:
+				decoded = unicode_detail::decode(b[0], b[1], b[2], b[3]);
+				break;
+			}
+
+			if (unicode_detail::is_overlong(decoded, length)) {
+				dr.error = error_code::overlong_sequence;
+				return dr;
+			}
+			if (unicode_detail::is_surrogate(decoded) || decoded > unicode_detail::last_code_point) {
+				dr.error = error_code::invalid_code_point;
+				return dr;
+			}
+
+			// then everything is fine
+			dr.codepoint = decoded;
+			dr.error = error_code::ok;
+			dr.next = it;
+			return dr;
+		}
+
+		template <typename It>
+		inline decoded_result<It> utf16_to_code_point(It it, It last) {
+			decoded_result<It> dr;
+			if (it == last) {
+				dr.next = it;
+				dr.error = error_code::sequence_too_short;
+				return dr;
+			}
+
+			char16_t lead = static_cast<char16_t>(*it);
+
+			if (!unicode_detail::is_surrogate(lead)) {
+				++it;
+				dr.codepoint = static_cast<char32_t>(lead);
+				dr.next = it;
+				dr.error = error_code::ok;
+				return dr;
+			}
+			if (!unicode_detail::is_lead_surrogate(lead)) {
+				dr.error = error_code::invalid_leading_surrogate;
+				dr.next = it;
+				return dr;
+			}
+
+			++it;
+			auto trail = *it;
+			if (!unicode_detail::is_trail_surrogate(trail)) {
+				dr.error = error_code::invalid_trailing_surrogate;
+				dr.next = it;
+				return dr;
+			}
+
+			dr.codepoint = unicode_detail::combine_surrogates(lead, trail);
+			dr.next = ++it;
+			dr.error = error_code::ok;
+			return dr;
+		}
+
+		template <typename It>
+		inline decoded_result<It> utf32_to_code_point(It it, It last) {
+			decoded_result<It> dr;
+			if (it == last) {
+				dr.next = it;
+				dr.error = error_code::sequence_too_short;
+				return dr;
+			}
+			dr.codepoint = static_cast<char32_t>(*it);
+			dr.next = ++it;
+			dr.error = error_code::ok;
+			return dr;
+		}
+	} // namespace unicode
+} // namespace sol
diff --git a/extern/sol3/sol/unique_usertype_traits.hpp b/extern/sol3/sol/unique_usertype_traits.hpp
index f37fb86641..3333316103 100644
--- a/extern/sol3/sol/unique_usertype_traits.hpp
+++ b/extern/sol3/sol/unique_usertype_traits.hpp
@@ -1,240 +1,240 @@
-// sol2
-
-// The MIT License (MIT)
-
-// Copyright (c) 2013-2021 Rapptz, ThePhD and contributors
-
-// Permission is hereby granted, free of charge, to any person obtaining a copy of
-// this software and associated documentation files (the "Software"), to deal in
-// the Software without restriction, including without limitation the rights to
-// use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of
-// the Software, and to permit persons to whom the Software is furnished to do so,
-// subject to the following conditions:
-
-// The above copyright notice and this permission notice shall be included in all
-// copies or substantial portions of the Software.
-
-// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
-// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS
-// FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR
-// COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER
-// IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
-// CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
-
-#ifndef SOL_UNIQUE_USERTYPE_TRAITS_HPP
-#define SOL_UNIQUE_USERTYPE_TRAITS_HPP
-
-#include <sol/base_traits.hpp>
-#include <sol/pointer_like.hpp>
-
-#include <sol/forward.hpp>
-
-#include <memory>
-
-namespace sol {
-
-	namespace detail {
-		template <typename T>
-		struct unique_fallback {
-			using SOL_INTERNAL_UNSPECIALIZED_MARKER_ = int;
-		};
-
-		template <typename T>
-		struct unique_fallback<std::shared_ptr<T>> {
-		private:
-			using pointer = typename std::pointer_traits<std::shared_ptr<T>>::element_type*;
-
-		public:
-			// rebind is non-void
-			// if and only if unique usertype
-			// is cast-capable
-			template <typename X>
-			using rebind_actual_type = std::shared_ptr<X>;
-
-			static bool is_null(lua_State*, const std::shared_ptr<T>& p) noexcept {
-				return p == nullptr;
-			}
-
-			static pointer get(lua_State*, const std::shared_ptr<T>& p) noexcept {
-				return p.get();
-			}
-		};
-
-		template <typename T, typename D>
-		struct unique_fallback<std::unique_ptr<T, D>> {
-		private:
-			using pointer = typename std::unique_ptr<T, D>::pointer;
-
-		public:
-			static bool is_null(lua_State*, const std::unique_ptr<T, D>& p) noexcept {
-				return p == nullptr;
-			}
-
-			static pointer get(lua_State*, const std::unique_ptr<T, D>& p) noexcept {
-				return p.get();
-			}
-		};
-	} // namespace detail
-
-	namespace meta { namespace meta_detail {
-		template <typename T, typename = void>
-		struct unique_actual_type;
-
-		template <typename T>
-		struct unique_actual_type<T, meta::void_t<typename T::actual_type>> {
-			using type = typename T::actual_type;
-		};
-
-		template <typename T, typename... Rest, template <typename...> class Templ>
-		struct unique_actual_type<Templ<T, Rest...>> {
-			using type = T;
-		};
-
-	}} // namespace meta::meta_detail
-
-	template <typename T>
-	using unique_usertype_actual_t = typename meta::meta_detail::unique_actual_type<unique_usertype_traits<T>>::type;
-
-	namespace meta { namespace meta_detail {
-		template <typename T>
-		using value_test_t = decltype(T::value);
-
-		template <typename T>
-		using type_test_t = typename T::type;
-
-		template <typename T>
-		using type_element_type_t = typename T::element_type;
-
-		template <typename T, typename = void>
-		struct unique_element_type {
-			using type = typename std::pointer_traits<typename unique_actual_type<T>::type>::element_type;
-		};
-
-		template <typename T>
-		struct unique_element_type<T, std::enable_if_t<meta::is_detected_v<type_element_type_t, T>>> {
-			using type = typename T::element_type;
-		};
-
-		template <typename T>
-		struct unique_element_type<T, std::enable_if_t<meta::is_detected_v<type_test_t, T>>> {
-			using type = typename T::type;
-		};
-
-		template <typename T, typename = void>
-		struct unique_valid : std::integral_constant<bool, !has_internal_marker_v<T>> { };
-
-		template <typename T>
-		struct unique_valid<T, meta::void_t<decltype(T::value)>> : std::integral_constant<bool, T::value> { };
-	}} // namespace meta::meta_detail
-
-	template <typename T>
-	using unique_usertype_element_t = typename meta::meta_detail::unique_element_type<unique_usertype_traits<T>>::type;
-
-	template <typename T, typename Element = void>
-	using unique_usertype_rebind_actual_t = typename unique_usertype_traits<T>::template rebind_actual_type<Element>;
-
-	template <typename T>
-	struct unique_usertype_traits : public detail::unique_fallback<T> { };
-
-	template <typename T>
-	struct is_unique_usertype : std::integral_constant<bool, meta::meta_detail::unique_valid<unique_usertype_traits<T>>::value> { };
-
-	template <typename T>
-	inline constexpr bool is_unique_usertype_v = is_unique_usertype<T>::value;
-
-	namespace meta { namespace meta_detail {
-		template <typename T>
-		using adl_sol_lua_check_access_test_t
-			= decltype(sol_lua_check_access(types<T>(), static_cast<lua_State*>(nullptr), -1, std::declval<stack::record&>()));
-
-		template <typename T>
-		inline constexpr bool is_adl_sol_lua_check_access_v = meta::is_detected_v<adl_sol_lua_check_access_test_t, T>;
-
-		template <typename T>
-		using unique_usertype_get_with_state_test_t
-			= decltype(unique_usertype_traits<T>::get(static_cast<lua_State*>(nullptr), std::declval<unique_usertype_actual_t<T>>()));
-
-		template <typename T>
-		inline constexpr bool unique_usertype_get_with_state_v = meta::is_detected_v<unique_usertype_get_with_state_test_t, T>;
-
-		template <typename T>
-		using unique_usertype_is_null_with_state_test_t
-			= decltype(unique_usertype_traits<T>::is_null(static_cast<lua_State*>(nullptr), std::declval<unique_usertype_actual_t<T>>()));
-
-		template <typename T>
-		inline constexpr bool unique_usertype_is_null_with_state_v = meta::is_detected_v<unique_usertype_is_null_with_state_test_t, T>;
-	}} // namespace meta::meta_detail
-
-	namespace detail {
-		template <typename T>
-		constexpr bool unique_is_null_noexcept() noexcept {
-			if constexpr (meta::meta_detail::unique_usertype_is_null_with_state_v<std::remove_cv_t<T>>) {
-				return noexcept(
-				     unique_usertype_traits<T>::is_null(static_cast<lua_State*>(nullptr), std::declval<unique_usertype_actual_t<std::remove_cv_t<T>>>()));
-			}
-			else {
-				return noexcept(unique_usertype_traits<T>::is_null(std::declval<unique_usertype_actual_t<std::remove_cv_t<T>>>()));
-			}
-		}
-
-		template <typename T>
-		bool unique_is_null(lua_State* L_, T& value_) noexcept(unique_is_null_noexcept<std::remove_cv_t<T>>()) {
-			using Tu = std::remove_cv_t<T>;
-			if constexpr (meta::meta_detail::unique_usertype_is_null_with_state_v<Tu>) {
-				return unique_usertype_traits<Tu>::is_null(L_, value_);
-			}
-			else {
-				return unique_usertype_traits<Tu>::is_null(value_);
-			}
-		}
-
-		template <typename T>
-		constexpr bool unique_get_noexcept() noexcept {
-			if constexpr (meta::meta_detail::unique_usertype_get_with_state_v<std::remove_cv_t<T>>) {
-				return noexcept(
-				     unique_usertype_traits<T>::get(static_cast<lua_State*>(nullptr), std::declval<unique_usertype_actual_t<std::remove_cv_t<T>>>()));
-			}
-			else {
-				return noexcept(unique_usertype_traits<T>::get(std::declval<unique_usertype_actual_t<std::remove_cv_t<T>>>()));
-			}
-		}
-
-		template <typename T>
-		auto unique_get(lua_State* L_, T& value_) noexcept(unique_get_noexcept<std::remove_cv_t<T>>()) {
-			using Tu = std::remove_cv_t<T>;
-			if constexpr (meta::meta_detail::unique_usertype_get_with_state_v<Tu>) {
-				return unique_usertype_traits<Tu>::get(L_, value_);
-			}
-			else {
-				return unique_usertype_traits<Tu>::get(value_);
-			}
-		}
-	} // namespace detail
-
-	namespace meta { namespace meta_detail {
-		template <typename T, typename Element = void>
-		using is_rebind_actual_type_test_t = typename T::template rebind_actual_type<Element>;
-
-		template <typename T, typename Element = void>
-		using is_rebind_actual_type = meta::is_detected<is_rebind_actual_type_test_t, T, Element>;
-
-		template <typename T, typename Element = void>
-		inline constexpr bool is_rebind_actual_type_v = is_rebind_actual_type<T, Element>::value;
-
-		template <typename T, typename Element, bool = is_rebind_actual_type_v<T, Element>>
-		struct is_actual_type_rebindable_for_test : std::false_type { };
-
-		template <typename T, typename Element>
-		struct is_actual_type_rebindable_for_test<T, Element, true>
-		: std::integral_constant<bool, !std::is_void_v<typename T::template rebind_actual_type<Element>>> { };
-	}} // namespace meta::meta_detail
-
-	template <typename T, typename Element = void>
-	using is_actual_type_rebindable_for = typename meta::meta_detail::is_actual_type_rebindable_for_test<unique_usertype_traits<T>, Element>::type;
-
-	template <typename T, typename Element = void>
-	inline constexpr bool is_actual_type_rebindable_for_v = is_actual_type_rebindable_for<T, Element>::value;
-
-} // namespace sol
-
-#endif // SOL_UNIQUE_USERTYPE_TRAITS_HPP
+// sol2
+
+// The MIT License (MIT)
+
+// Copyright (c) 2013-2022 Rapptz, ThePhD and contributors
+
+// Permission is hereby granted, free of charge, to any person obtaining a copy of
+// this software and associated documentation files (the "Software"), to deal in
+// the Software without restriction, including without limitation the rights to
+// use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of
+// the Software, and to permit persons to whom the Software is furnished to do so,
+// subject to the following conditions:
+
+// The above copyright notice and this permission notice shall be included in all
+// copies or substantial portions of the Software.
+
+// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS
+// FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR
+// COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER
+// IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
+// CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+
+#ifndef SOL_UNIQUE_USERTYPE_TRAITS_HPP
+#define SOL_UNIQUE_USERTYPE_TRAITS_HPP
+
+#include <sol/base_traits.hpp>
+#include <sol/pointer_like.hpp>
+
+#include <sol/forward.hpp>
+
+#include <memory>
+
+namespace sol {
+
+	namespace detail {
+		template <typename T>
+		struct unique_fallback {
+			using SOL_INTERNAL_UNSPECIALIZED_MARKER_ = int;
+		};
+
+		template <typename T>
+		struct unique_fallback<std::shared_ptr<T>> {
+		private:
+			using pointer = typename std::pointer_traits<std::shared_ptr<T>>::element_type*;
+
+		public:
+			// rebind is non-void
+			// if and only if unique usertype
+			// is cast-capable
+			template <typename X>
+			using rebind_actual_type = std::shared_ptr<X>;
+
+			static bool is_null(lua_State*, const std::shared_ptr<T>& p) noexcept {
+				return p == nullptr;
+			}
+
+			static pointer get(lua_State*, const std::shared_ptr<T>& p) noexcept {
+				return p.get();
+			}
+		};
+
+		template <typename T, typename D>
+		struct unique_fallback<std::unique_ptr<T, D>> {
+		private:
+			using pointer = typename std::unique_ptr<T, D>::pointer;
+
+		public:
+			static bool is_null(lua_State*, const std::unique_ptr<T, D>& p) noexcept {
+				return p == nullptr;
+			}
+
+			static pointer get(lua_State*, const std::unique_ptr<T, D>& p) noexcept {
+				return p.get();
+			}
+		};
+	} // namespace detail
+
+	namespace meta { namespace meta_detail {
+		template <typename T, typename = void>
+		struct unique_actual_type;
+
+		template <typename T>
+		struct unique_actual_type<T, meta::void_t<typename T::actual_type>> {
+			using type = typename T::actual_type;
+		};
+
+		template <typename T, typename... Rest, template <typename...> class Templ>
+		struct unique_actual_type<Templ<T, Rest...>> {
+			using type = T;
+		};
+
+	}} // namespace meta::meta_detail
+
+	template <typename T>
+	using unique_usertype_actual_t = typename meta::meta_detail::unique_actual_type<unique_usertype_traits<T>>::type;
+
+	namespace meta { namespace meta_detail {
+		template <typename T>
+		using value_test_t = decltype(T::value);
+
+		template <typename T>
+		using type_test_t = typename T::type;
+
+		template <typename T>
+		using type_element_type_t = typename T::element_type;
+
+		template <typename T, typename = void>
+		struct unique_element_type {
+			using type = typename std::pointer_traits<typename unique_actual_type<T>::type>::element_type;
+		};
+
+		template <typename T>
+		struct unique_element_type<T, std::enable_if_t<meta::is_detected_v<type_element_type_t, T>>> {
+			using type = typename T::element_type;
+		};
+
+		template <typename T>
+		struct unique_element_type<T, std::enable_if_t<meta::is_detected_v<type_test_t, T>>> {
+			using type = typename T::type;
+		};
+
+		template <typename T, typename = void>
+		struct unique_valid : std::integral_constant<bool, !has_internal_marker_v<T>> { };
+
+		template <typename T>
+		struct unique_valid<T, meta::void_t<decltype(T::value)>> : std::integral_constant<bool, T::value> { };
+	}} // namespace meta::meta_detail
+
+	template <typename T>
+	using unique_usertype_element_t = typename meta::meta_detail::unique_element_type<unique_usertype_traits<T>>::type;
+
+	template <typename T, typename Element = void>
+	using unique_usertype_rebind_actual_t = typename unique_usertype_traits<T>::template rebind_actual_type<Element>;
+
+	template <typename T>
+	struct unique_usertype_traits : public detail::unique_fallback<T> { };
+
+	template <typename T>
+	struct is_unique_usertype : std::integral_constant<bool, meta::meta_detail::unique_valid<unique_usertype_traits<T>>::value> { };
+
+	template <typename T>
+	inline constexpr bool is_unique_usertype_v = is_unique_usertype<T>::value;
+
+	namespace meta { namespace meta_detail {
+		template <typename T>
+		using adl_sol_lua_check_access_test_t
+			= decltype(sol_lua_check_access(types<T>(), static_cast<lua_State*>(nullptr), -1, std::declval<stack::record&>()));
+
+		template <typename T>
+		inline constexpr bool is_adl_sol_lua_check_access_v = meta::is_detected_v<adl_sol_lua_check_access_test_t, T>;
+
+		template <typename T>
+		using unique_usertype_get_with_state_test_t
+			= decltype(unique_usertype_traits<T>::get(static_cast<lua_State*>(nullptr), std::declval<unique_usertype_actual_t<T>>()));
+
+		template <typename T>
+		inline constexpr bool unique_usertype_get_with_state_v = meta::is_detected_v<unique_usertype_get_with_state_test_t, T>;
+
+		template <typename T>
+		using unique_usertype_is_null_with_state_test_t
+			= decltype(unique_usertype_traits<T>::is_null(static_cast<lua_State*>(nullptr), std::declval<unique_usertype_actual_t<T>>()));
+
+		template <typename T>
+		inline constexpr bool unique_usertype_is_null_with_state_v = meta::is_detected_v<unique_usertype_is_null_with_state_test_t, T>;
+	}} // namespace meta::meta_detail
+
+	namespace detail {
+		template <typename T>
+		constexpr bool unique_is_null_noexcept() noexcept {
+			if constexpr (meta::meta_detail::unique_usertype_is_null_with_state_v<std::remove_cv_t<T>>) {
+				return noexcept(
+				     unique_usertype_traits<T>::is_null(static_cast<lua_State*>(nullptr), std::declval<unique_usertype_actual_t<std::remove_cv_t<T>>>()));
+			}
+			else {
+				return noexcept(unique_usertype_traits<T>::is_null(std::declval<unique_usertype_actual_t<std::remove_cv_t<T>>>()));
+			}
+		}
+
+		template <typename T>
+		bool unique_is_null(lua_State* L_, T& value_) noexcept(unique_is_null_noexcept<std::remove_cv_t<T>>()) {
+			using Tu = std::remove_cv_t<T>;
+			if constexpr (meta::meta_detail::unique_usertype_is_null_with_state_v<Tu>) {
+				return unique_usertype_traits<Tu>::is_null(L_, value_);
+			}
+			else {
+				return unique_usertype_traits<Tu>::is_null(value_);
+			}
+		}
+
+		template <typename T>
+		constexpr bool unique_get_noexcept() noexcept {
+			if constexpr (meta::meta_detail::unique_usertype_get_with_state_v<std::remove_cv_t<T>>) {
+				return noexcept(
+				     unique_usertype_traits<T>::get(static_cast<lua_State*>(nullptr), std::declval<unique_usertype_actual_t<std::remove_cv_t<T>>>()));
+			}
+			else {
+				return noexcept(unique_usertype_traits<T>::get(std::declval<unique_usertype_actual_t<std::remove_cv_t<T>>>()));
+			}
+		}
+
+		template <typename T>
+		auto unique_get(lua_State* L_, T& value_) noexcept(unique_get_noexcept<std::remove_cv_t<T>>()) {
+			using Tu = std::remove_cv_t<T>;
+			if constexpr (meta::meta_detail::unique_usertype_get_with_state_v<Tu>) {
+				return unique_usertype_traits<Tu>::get(L_, value_);
+			}
+			else {
+				return unique_usertype_traits<Tu>::get(value_);
+			}
+		}
+	} // namespace detail
+
+	namespace meta { namespace meta_detail {
+		template <typename T, typename Element = void>
+		using is_rebind_actual_type_test_t = typename T::template rebind_actual_type<Element>;
+
+		template <typename T, typename Element = void>
+		using is_rebind_actual_type = meta::is_detected<is_rebind_actual_type_test_t, T, Element>;
+
+		template <typename T, typename Element = void>
+		inline constexpr bool is_rebind_actual_type_v = is_rebind_actual_type<T, Element>::value;
+
+		template <typename T, typename Element, bool = is_rebind_actual_type_v<T, Element>>
+		struct is_actual_type_rebindable_for_test : std::false_type { };
+
+		template <typename T, typename Element>
+		struct is_actual_type_rebindable_for_test<T, Element, true>
+		: std::integral_constant<bool, !std::is_void_v<typename T::template rebind_actual_type<Element>>> { };
+	}} // namespace meta::meta_detail
+
+	template <typename T, typename Element = void>
+	using is_actual_type_rebindable_for = typename meta::meta_detail::is_actual_type_rebindable_for_test<unique_usertype_traits<T>, Element>::type;
+
+	template <typename T, typename Element = void>
+	inline constexpr bool is_actual_type_rebindable_for_v = is_actual_type_rebindable_for<T, Element>::value;
+
+} // namespace sol
+
+#endif // SOL_UNIQUE_USERTYPE_TRAITS_HPP
diff --git a/extern/sol3/sol/unreachable.hpp b/extern/sol3/sol/unreachable.hpp
new file mode 100644
index 0000000000..7ec43de24d
--- /dev/null
+++ b/extern/sol3/sol/unreachable.hpp
@@ -0,0 +1,37 @@
+// sol2
+
+// The MIT License (MIT)
+
+// Copyright (c) 2013-2022 Rapptz, ThePhD and contributors
+
+// Permission is hereby granted, free of charge, to any person obtaining a copy of
+// this software and associated documentation files (the "Software"), to deal in
+// the Software without restriction, including without limitation the rights to
+// use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of
+// the Software, and to permit persons to whom the Software is furnished to do so,
+// subject to the following conditions:
+
+// The above copyright notice and this permission notice shall be included in all
+// copies or substantial portions of the Software.
+
+// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS
+// FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR
+// COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER
+// IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
+// CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+
+#ifndef SOL_UNREACHABLE_HPP
+#define SOL_UNREACHABLE_HPP
+
+#include <sol/version.hpp>
+
+#if SOL_HAS_BUILTIN_I_(__builtin_unreachable)
+#define SOL_UNREACHABLE() __builtin_unreachable();
+#elif SOL_IS_ON(SOL_COMPILER_VCXX)
+#define SOL_UNREACHABLE() __assume(false);
+#else
+#define SOL_UNREACHABLE() __builtin_unreachable();
+#endif
+
+#endif
diff --git a/extern/sol3/sol/unsafe_function.hpp b/extern/sol3/sol/unsafe_function.hpp
index 281103215b..8d7a6a655e 100644
--- a/extern/sol3/sol/unsafe_function.hpp
+++ b/extern/sol3/sol/unsafe_function.hpp
@@ -2,7 +2,7 @@
 
 // The MIT License (MIT)
 
-// Copyright (c) 2013-2021 Rapptz, ThePhD and contributors
+// Copyright (c) 2013-2022 Rapptz, ThePhD and contributors
 
 // Permission is hereby granted, free of charge, to any person obtaining a copy of
 // this software and associated documentation files (the "Software"), to deal in
@@ -77,7 +77,7 @@ namespace sol {
 		     meta::enable<meta::neg<std::is_same<meta::unqualified_t<T>, basic_function>>, meta::neg<std::is_same<base_t, stack_reference>>,
 		          meta::neg<std::is_same<lua_nil_t, meta::unqualified_t<T>>>, is_lua_reference<meta::unqualified_t<T>>> = meta::enabler>
 		basic_function(T&& r) noexcept : base_t(std::forward<T>(r)) {
-#if SOL_IS_ON(SOL_SAFE_REFERENCES_I_)
+#if SOL_IS_ON(SOL_SAFE_REFERENCES)
 			if (!is_function<meta::unqualified_t<T>>::value) {
 				auto pp = stack::push_pop(*this);
 				constructor_handler handler {};
@@ -97,20 +97,20 @@ namespace sol {
 		}
 		template <typename T, meta::enable<is_lua_reference<meta::unqualified_t<T>>> = meta::enabler>
 		basic_function(lua_State* L, T&& r) : base_t(L, std::forward<T>(r)) {
-#if SOL_IS_ON(SOL_SAFE_REFERENCES_I_)
+#if SOL_IS_ON(SOL_SAFE_REFERENCES)
 			auto pp = stack::push_pop(*this);
 			constructor_handler handler {};
 			stack::check<basic_function>(lua_state(), -1, handler);
 #endif // Safety
 		}
 		basic_function(lua_State* L, int index = -1) : base_t(L, index) {
-#if SOL_IS_ON(SOL_SAFE_REFERENCES_I_)
+#if SOL_IS_ON(SOL_SAFE_REFERENCES)
 			constructor_handler handler {};
 			stack::check<basic_function>(L, index, handler);
 #endif // Safety
 		}
 		basic_function(lua_State* L, ref_index index) : base_t(L, index) {
-#if SOL_IS_ON(SOL_SAFE_REFERENCES_I_)
+#if SOL_IS_ON(SOL_SAFE_REFERENCES)
 			auto pp = stack::push_pop(*this);
 			constructor_handler handler {};
 			stack::check<basic_function>(lua_state(), -1, handler);
diff --git a/extern/sol3/sol/unsafe_function_result.hpp b/extern/sol3/sol/unsafe_function_result.hpp
index d340f0de05..13496819a4 100644
--- a/extern/sol3/sol/unsafe_function_result.hpp
+++ b/extern/sol3/sol/unsafe_function_result.hpp
@@ -2,7 +2,7 @@
 
 // The MIT License (MIT)
 
-// Copyright (c) 2013-2021 Rapptz, ThePhD and contributors
+// Copyright (c) 2013-2022 Rapptz, ThePhD and contributors
 
 // Permission is hereby granted, free of charge, to any person obtaining a copy of
 // this software and associated documentation files (the "Software"), to deal in
@@ -50,7 +50,7 @@ namespace sol {
 		typedef std::reverse_iterator<iterator> reverse_iterator;
 		typedef std::reverse_iterator<const_iterator> const_reverse_iterator;
 
-		unsafe_function_result() noexcept = default;
+		unsafe_function_result() noexcept : unsafe_function_result(nullptr) {}
 		unsafe_function_result(lua_State* Ls, int idx = -1, int retnum = 0) noexcept : L(Ls), index(idx), returncount(retnum) {
 		}
 
@@ -158,7 +158,9 @@ namespace sol {
 			returncount = 0;
 		}
 		~unsafe_function_result() {
-			lua_pop(L, returncount);
+			if (L != nullptr) {
+				lua_pop(L, returncount);
+			}
 		}
 	};
 
diff --git a/extern/sol3/sol/userdata.hpp b/extern/sol3/sol/userdata.hpp
index e878d01be0..29efdcbfe3 100644
--- a/extern/sol3/sol/userdata.hpp
+++ b/extern/sol3/sol/userdata.hpp
@@ -2,7 +2,7 @@
 
 // The MIT License (MIT)
 
-// Copyright (c) 2013-2021 Rapptz, ThePhD and contributors
+// Copyright (c) 2013-2022 Rapptz, ThePhD and contributors
 
 // Permission is hereby granted, free of charge, to any person obtaining a copy of
 // this software and associated documentation files (the "Software"), to deal in
@@ -41,7 +41,7 @@ namespace sol {
 		     meta::enable<meta::neg<std::is_same<meta::unqualified_t<T>, basic_userdata>>, meta::neg<std::is_same<base_t, stack_reference>>,
 		          is_lua_reference<meta::unqualified_t<T>>> = meta::enabler>
 		basic_userdata(T&& r) noexcept : base_t(std::forward<T>(r)) {
-#if SOL_IS_ON(SOL_SAFE_REFERENCES_I_)
+#if SOL_IS_ON(SOL_SAFE_REFERENCES)
 			if (!is_userdata<meta::unqualified_t<T>>::value) {
 				auto pp = stack::push_pop(*this);
 				type_assert(lua_state(), -1, type::userdata);
@@ -58,20 +58,20 @@ namespace sol {
 		}
 		template <typename T, meta::enable<is_lua_reference<meta::unqualified_t<T>>> = meta::enabler>
 		basic_userdata(lua_State* L, T&& r) : base_t(L, std::forward<T>(r)) {
-#if SOL_IS_ON(SOL_SAFE_REFERENCES_I_)
+#if SOL_IS_ON(SOL_SAFE_REFERENCES)
 			auto pp = stack::push_pop(*this);
 			constructor_handler handler {};
 			stack::check<basic_userdata>(L, -1, handler);
 #endif // Safety
 		}
 		basic_userdata(lua_State* L, int index = -1) : base_t(detail::no_safety, L, index) {
-#if SOL_IS_ON(SOL_SAFE_REFERENCES_I_)
+#if SOL_IS_ON(SOL_SAFE_REFERENCES)
 			constructor_handler handler {};
 			stack::check<basic_userdata>(L, index, handler);
 #endif // Safety
 		}
 		basic_userdata(lua_State* L, ref_index index) : base_t(detail::no_safety, L, index) {
-#if SOL_IS_ON(SOL_SAFE_REFERENCES_I_)
+#if SOL_IS_ON(SOL_SAFE_REFERENCES)
 			auto pp = stack::push_pop(*this);
 			constructor_handler handler {};
 			stack::check<basic_userdata>(L, -1, handler);
@@ -91,7 +91,7 @@ namespace sol {
 		     meta::enable<meta::neg<std::is_same<meta::unqualified_t<T>, basic_lightuserdata>>, meta::neg<std::is_same<base_t, stack_reference>>,
 		          is_lua_reference<meta::unqualified_t<T>>> = meta::enabler>
 		basic_lightuserdata(T&& r) noexcept : base_t(std::forward<T>(r)) {
-#if SOL_IS_ON(SOL_SAFE_REFERENCES_I_)
+#if SOL_IS_ON(SOL_SAFE_REFERENCES)
 			if (!is_lightuserdata<meta::unqualified_t<T>>::value) {
 				auto pp = stack::push_pop(*this);
 				type_assert(lua_state(), -1, type::lightuserdata);
@@ -108,20 +108,20 @@ namespace sol {
 		}
 		template <typename T, meta::enable<is_lua_reference<meta::unqualified_t<T>>> = meta::enabler>
 		basic_lightuserdata(lua_State* L, T&& r) : basic_lightuserdata(L, std::forward<T>(r)) {
-#if SOL_IS_ON(SOL_SAFE_REFERENCES_I_)
+#if SOL_IS_ON(SOL_SAFE_REFERENCES)
 			auto pp = stack::push_pop(*this);
 			constructor_handler handler {};
 			stack::check<basic_lightuserdata>(lua_state(), -1, handler);
 #endif // Safety
 		}
 		basic_lightuserdata(lua_State* L, int index = -1) : base_t(L, index) {
-#if SOL_IS_ON(SOL_SAFE_REFERENCES_I_)
+#if SOL_IS_ON(SOL_SAFE_REFERENCES)
 			constructor_handler handler {};
 			stack::check<basic_lightuserdata>(L, index, handler);
 #endif // Safety
 		}
 		basic_lightuserdata(lua_State* L, ref_index index) : base_t(L, index) {
-#if SOL_IS_ON(SOL_SAFE_REFERENCES_I_)
+#if SOL_IS_ON(SOL_SAFE_REFERENCES)
 			auto pp = stack::push_pop(*this);
 			constructor_handler handler {};
 			stack::check<basic_lightuserdata>(lua_state(), index, handler);
diff --git a/extern/sol3/sol/usertype.hpp b/extern/sol3/sol/usertype.hpp
index b37436ad27..7c356f008e 100644
--- a/extern/sol3/sol/usertype.hpp
+++ b/extern/sol3/sol/usertype.hpp
@@ -2,7 +2,7 @@
 
 // The MIT License (MIT)
 
-// Copyright (c) 2013-2021 Rapptz, ThePhD and contributors
+// Copyright (c) 2013-2022 Rapptz, ThePhD and contributors
 
 // Permission is hereby granted, free of charge, to any person obtaining a copy of
 // this software and associated documentation files (the "Software"), to deal in
diff --git a/extern/sol3/sol/usertype_container.hpp b/extern/sol3/sol/usertype_container.hpp
index 4bb99c0f55..3ff81724f4 100644
--- a/extern/sol3/sol/usertype_container.hpp
+++ b/extern/sol3/sol/usertype_container.hpp
@@ -2,7 +2,7 @@
 
 // The MIT License (MIT)
 
-// Copyright (c) 2013-2021 Rapptz, ThePhD and contributors
+// Copyright (c) 2013-2022 Rapptz, ThePhD and contributors
 
 // Permission is hereby granted, free of charge, to any person obtaining a copy of
 // this software and associated documentation files (the "Software"), to deal in
@@ -400,6 +400,7 @@ namespace sol {
 
 		public:
 			typedef lua_nil_t iterator;
+			typedef iterator sentinel;
 			typedef lua_nil_t value_type;
 
 			static int at(lua_State* L_) {
@@ -472,7 +473,7 @@ namespace sol {
 				return lua_nil;
 			}
 
-			static iterator end(lua_State* L_, T&) {
+			static sentinel end(lua_State* L_, T&) {
 				luaL_error(L_, "sol: cannot call 'end' on type '%s': it is not recognized as a container", detail::demangle<T>().c_str());
 				return lua_nil;
 			}
@@ -492,6 +493,7 @@ namespace sol {
 			using is_ordered = meta::is_ordered<T>;
 			using is_matched_lookup = meta::is_matched_lookup<T>;
 			using iterator = typename T::iterator;
+			using sentinel = meta::sentinel_or_t<T, iterator>;
 			using value_type = typename T::value_type;
 			typedef meta::conditional_t<is_matched_lookup::value, std::pair<value_type, value_type>,
 			     meta::conditional_t<is_associative::value || is_lookup::value, value_type, std::pair<std::ptrdiff_t, value_type>>>
@@ -511,21 +513,35 @@ namespace sol {
 			typedef meta::unqualified_t<decltype(get_key(is_associative(), std::declval<std::add_lvalue_reference_t<value_type>>()))> key_type;
 			typedef meta::all<std::is_integral<K>, meta::neg<meta::any<is_associative, is_lookup>>> is_linear_integral;
 
-			struct iter {
-				reference keep_alive;
-				T& source;
-				iterator it;
+			struct iter : detail::ebco<iterator, 0>, detail::ebco<sentinel, 1> {
+				using it_base = detail::ebco<iterator, 0>;
+				using sen_base = detail::ebco<sentinel, 1>;
+				main_reference keep_alive;
 				std::size_t index;
 
-				iter(lua_State* L_, int stack_index, T& source_, iterator it_) : keep_alive(L_, stack_index), source(source_), it(std::move(it_)), index(0) {
+				iter(lua_State* L_, int stack_index_, iterator it_, sentinel sen_) noexcept
+				: it_base(std::move(it_)), sen_base(std::move(sen_)), keep_alive(L_, stack_index_), index(0) {
 				}
 
-				~iter() {
+				iterator& it() noexcept {
+					return it_base::value();
+				}
+
+				const iterator& it() const noexcept {
+					return it_base::value();
+				}
+
+				sentinel& sen() noexcept {
+					return sen_base::value();
+				}
+
+				const sentinel& sen() const noexcept {
+					return sen_base::value();
 				}
 			};
 
 			static auto& get_src(lua_State* L_) {
-#if SOL_IS_ON(SOL_SAFE_USERTYPE_I_)
+#if SOL_IS_ON(SOL_SAFE_USERTYPE)
 				auto p = stack::unqualified_check_get<T*>(L_, 1);
 				if (!p) {
 					luaL_error(L_,
@@ -1172,9 +1188,9 @@ namespace sol {
 			template <bool ip>
 			static int next_associative(std::true_type, lua_State* L_) {
 				iter& i = stack::unqualified_get<user<iter>>(L_, 1);
-				auto& source = i.source;
-				auto& it = i.it;
-				if (it == deferred_uc::end(L_, source)) {
+				auto& it = i.it();
+				auto& end = i.sen();
+				if (it == end) {
 					return stack::push(L_, lua_nil);
 				}
 				int p;
@@ -1193,10 +1209,10 @@ namespace sol {
 			template <bool>
 			static int next_associative(std::false_type, lua_State* L_) {
 				iter& i = stack::unqualified_get<user<iter>>(L_, 1);
-				auto& source = i.source;
-				auto& it = i.it;
+				auto& it = i.it();
+				auto& end = i.sen();
 				next_K k = stack::unqualified_get<next_K>(L_, 2);
-				if (it == deferred_uc::end(L_, source)) {
+				if (it == end) {
 					return stack::push(L_, lua_nil);
 				}
 				int p;
@@ -1221,7 +1237,7 @@ namespace sol {
 			static int pairs_associative(std::true_type, lua_State* L_) {
 				auto& src = get_src(L_);
 				stack::push(L_, next_iter<ip>);
-				stack::push<user<iter>>(L_, L_, 1, src, deferred_uc::begin(L_, src));
+				stack::push<user<iter>>(L_, L_, 1, deferred_uc::begin(L_, src), deferred_uc::begin(L_, src));
 				stack::push(L_, lua_nil);
 				return 3;
 			}
@@ -1230,7 +1246,7 @@ namespace sol {
 			static int pairs_associative(std::false_type, lua_State* L_) {
 				auto& src = get_src(L_);
 				stack::push(L_, next_iter<ip>);
-				stack::push<user<iter>>(L_, L_, 1, src, deferred_uc::begin(L_, src));
+				stack::push<user<iter>>(L_, L_, 1, deferred_uc::begin(L_, src), deferred_uc::end(L_, src));
 				stack::push(L_, 0);
 				return 3;
 			}
@@ -1322,7 +1338,7 @@ namespace sol {
 				}
 			}
 
-			static iterator end(lua_State*, T& self) {
+			static sentinel end(lua_State*, T& self) {
 				if constexpr (meta::has_begin_end_v<T>) {
 					return self.end();
 				}
@@ -1387,24 +1403,38 @@ namespace sol {
 		public:
 			typedef std::remove_extent_t<T> value_type;
 			typedef value_type* iterator;
+			typedef iterator sentinel;
 
 		private:
-			struct iter {
+			struct iter : detail::ebco<iterator, 0>, detail::ebco<sentinel, 1> {
+				using it_base = detail::ebco<iterator, 0>;
+				using sen_base = detail::ebco<sentinel, 1>;
 				reference keep_alive;
-				T& source;
-				iterator it;
-
-				iter(lua_State* L_, int stack_index, T& source, iterator it) noexcept : keep_alive(L_, stack_index), source(source), it(std::move(it)) {
+				
+				iter(lua_State* L_, int stack_index_, iterator it_, sentinel sen_) noexcept
+				: it_base(std::move(it_)), sen_base(std::move(sen_)), keep_alive(sol::main_thread(L_, L_), stack_index_) {
 				}
 
-				~iter () {
+				iterator& it() noexcept {
+					return it_base::value();
+				}
 
+				const iterator& it() const noexcept {
+					return it_base::value();
+				}
+
+				sentinel& sen() noexcept {
+					return sen_base::value();
+				}
+
+				const sentinel& sen() const noexcept {
+					return sen_base::value();
 				}
 			};
 
 			static auto& get_src(lua_State* L_) {
 				auto p = stack::unqualified_check_get<T*>(L_, 1);
-#if SOL_IS_ON(SOL_SAFE_USERTYPE_I_)
+#if SOL_IS_ON(SOL_SAFE_USERTYPE)
 				if (!p) {
 					luaL_error(L_,
 					     "sol: 'self' is not of type '%s' (pass 'self' as first argument with ':' or call on proper type)",
@@ -1439,10 +1469,10 @@ namespace sol {
 
 			static int next_iter(lua_State* L_) {
 				iter& i = stack::unqualified_get<user<iter>>(L_, 1);
-				auto& source = i.source;
-				auto& it = i.it;
+				auto& it = i.it();
+				auto& end = i.sen();
 				std::size_t k = stack::unqualified_get<std::size_t>(L_, 2);
-				if (it == deferred_uc::end(L_, source)) {
+				if (it == end) {
 					return 0;
 				}
 				int p;
@@ -1524,7 +1554,7 @@ namespace sol {
 			static int pairs(lua_State* L_) {
 				auto& src = get_src(L_);
 				stack::push(L_, next_iter);
-				stack::push<user<iter>>(L_, L_, 1, src, deferred_uc::begin(L_, src));
+				stack::push<user<iter>>(L_, L_, 1, deferred_uc::begin(L_, src), deferred_uc::end(L_, src));
 				stack::push(L_, 0);
 				return 3;
 			}
@@ -1545,7 +1575,7 @@ namespace sol {
 				return std::addressof(self[0]);
 			}
 
-			static iterator end(lua_State*, T& self) {
+			static sentinel end(lua_State*, T& self) {
 				return std::addressof(self[0]) + std::extent<T>::value;
 			}
 		};
diff --git a/extern/sol3/sol/usertype_container_launch.hpp b/extern/sol3/sol/usertype_container_launch.hpp
index e25f4a7e06..d8dd73a793 100644
--- a/extern/sol3/sol/usertype_container_launch.hpp
+++ b/extern/sol3/sol/usertype_container_launch.hpp
@@ -2,7 +2,7 @@
 
 // The MIT License (MIT)
 
-// Copyright (c) 2013-2021 Rapptz, ThePhD and contributors
+// Copyright (c) 2013-2022 Rapptz, ThePhD and contributors
 
 // Permission is hereby granted, free of charge, to any person obtaining a copy of
 // this software and associated documentation files (the "Software"), to deal in
diff --git a/extern/sol3/sol/usertype_core.hpp b/extern/sol3/sol/usertype_core.hpp
index 51a48b9c10..e4a49127f9 100644
--- a/extern/sol3/sol/usertype_core.hpp
+++ b/extern/sol3/sol/usertype_core.hpp
@@ -2,7 +2,7 @@
 
 // The MIT License (MIT)
 
-// Copyright (c) 2013-2021 Rapptz, ThePhD and contributors
+// Copyright (c) 2013-2022 Rapptz, ThePhD and contributors
 
 // Permission is hereby granted, free of charge, to any person obtaining a copy of
 // this software and associated documentation files (the "Software"), to deal in
@@ -71,7 +71,7 @@ namespace sol {
 			return s;
 		}
 
-#if SOL_IS_ON(SOL_CHAR8_T_I_)
+#if SOL_IS_ON(SOL_CHAR8_T)
 		inline auto make_string_view(const char8_t* s) {
 			return string_view(reinterpret_cast<const char*>(s));
 		}
diff --git a/extern/sol3/sol/usertype_proxy.hpp b/extern/sol3/sol/usertype_proxy.hpp
index 2d36ef4495..b900d6504d 100644
--- a/extern/sol3/sol/usertype_proxy.hpp
+++ b/extern/sol3/sol/usertype_proxy.hpp
@@ -2,7 +2,7 @@
 
 // The MIT License (MIT)
 
-// Copyright (c) 2013-2021 Rapptz, ThePhD and contributors
+// Copyright (c) 2013-2022 Rapptz, ThePhD and contributors
 
 // Permission is hereby granted, free of charge, to any person obtaining a copy of
 // this software and associated documentation files (the "Software"), to deal in
diff --git a/extern/sol3/sol/usertype_storage.hpp b/extern/sol3/sol/usertype_storage.hpp
index fdfac5ff52..691a025b14 100644
--- a/extern/sol3/sol/usertype_storage.hpp
+++ b/extern/sol3/sol/usertype_storage.hpp
@@ -2,7 +2,7 @@
 
 // The MIT License (MIT)
 
-// Copyright (c) 2013-2021 Rapptz, ThePhD and contributors
+// Copyright (c) 2013-2022 Rapptz, ThePhD and contributors
 
 // Permission is hereby granted, free of charge, to any person obtaining a copy of
 // this software and associated documentation files (the "Software"), to deal in
@@ -29,6 +29,7 @@
 
 #include <bitset>
 #include <unordered_map>
+#include <memory>
 
 namespace sol { namespace u_detail {
 
@@ -67,7 +68,7 @@ namespace sol { namespace u_detail {
 	struct binding : binding_base {
 		using uF = meta::unqualified_t<Fq>;
 		using F = meta::conditional_t<meta::is_c_str_of_v<uF, char>
-#if SOL_IS_ON(SOL_CHAR8_T_I_)
+#if SOL_IS_ON(SOL_CHAR8_T)
 			     || meta::is_c_str_of_v<uF, char8_t>
 #endif
 			     || meta::is_c_str_of_v<uF, char16_t> || meta::is_c_str_of_v<uF, char32_t> || meta::is_c_str_of_v<uF, wchar_t>,
@@ -307,12 +308,15 @@ namespace sol { namespace u_detail {
 		usertype_storage_base(lua_State* L_)
 		: m_L(L_)
 		, storage()
+		, string_keys_storage()
 		, string_keys()
 		, auxiliary_keys(0, stateless_reference_hash(L_), stateless_reference_equals(L_))
 		, value_index_table()
 		, reference_index_table()
 		, unique_index_table()
 		, const_reference_index_table()
+		, const_value_index_table()
+		, named_index_table()
 		, type_table(make_reference<stateless_reference>(L_, create))
 		, gc_names_table(make_reference<stateless_reference>(L_, create))
 		, named_metatable(make_reference<stateless_reference>(L_, create))
@@ -459,7 +463,7 @@ namespace sol { namespace u_detail {
 			}
 			(void)L_;
 			(void)self;
-#if SOL_IS_ON(SOL_USE_UNSAFE_BASE_LOOKUP_I_)
+#if SOL_IS_ON(SOL_USE_UNSAFE_BASE_LOOKUP)
 			usertype_storage_base& base_storage = get_usertype_storage<Base>(L_);
 			base_result = self_index_call<is_new_index, true>(bases(), L_, base_storage);
 #else
@@ -498,7 +502,11 @@ namespace sol { namespace u_detail {
 					stateless_reference* target = nullptr;
 					{
 						stack_reference k = stack::get<stack_reference>(L, 2);
+#if __cpp_lib_generic_unordered_lookup >= 201811L
 						auto it = self.auxiliary_keys.find(k);
+#else
+						auto it = self.auxiliary_keys.find(basic_reference(k));
+#endif
 						if (it != self.auxiliary_keys.cend()) {
 							target = &it->second;
 						}
diff --git a/extern/sol3/sol/usertype_traits.hpp b/extern/sol3/sol/usertype_traits.hpp
index f25b34fb65..c9a4d6e7ed 100644
--- a/extern/sol3/sol/usertype_traits.hpp
+++ b/extern/sol3/sol/usertype_traits.hpp
@@ -1,61 +1,61 @@
-// sol2
-
-// The MIT License (MIT)
-
-// Copyright (c) 2013-2021 Rapptz, ThePhD and contributors
-
-// Permission is hereby granted, free of charge, to any person obtaining a copy of
-// this software and associated documentation files (the "Software"), to deal in
-// the Software without restriction, including without limitation the rights to
-// use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of
-// the Software, and to permit persons to whom the Software is furnished to do so,
-// subject to the following conditions:
-
-// The above copyright notice and this permission notice shall be included in all
-// copies or substantial portions of the Software.
-
-// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
-// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS
-// FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR
-// COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER
-// IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
-// CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
-
-#ifndef SOL_USERTYPE_TRAITS_HPP
-#define SOL_USERTYPE_TRAITS_HPP
-
-#include <sol/demangle.hpp>
-
-namespace sol {
-
-	template <typename T>
-	struct usertype_traits {
-		static const std::string& name() {
-			static const std::string& n = detail::short_demangle<T>();
-			return n;
-		}
-		static const std::string& qualified_name() {
-			static const std::string& q_n = detail::demangle<T>();
-			return q_n;
-		}
-		static const std::string& metatable() {
-			static const std::string m = std::string("sol.").append(detail::demangle<T>());
-			return m;
-		}
-		static const std::string& user_metatable() {
-			static const std::string u_m = std::string("sol.").append(detail::demangle<T>()).append(".user");
-			return u_m;
-		}
-		static const std::string& user_gc_metatable() {
-			static const std::string u_g_m = std::string("sol.").append(detail::demangle<T>()).append(".user\xE2\x99\xBB");
-			return u_g_m;
-		}
-		static const std::string& gc_table() {
-			static const std::string g_t = std::string("sol.").append(detail::demangle<T>()).append(".\xE2\x99\xBB");
-			return g_t;
-		}
-	};
-
-} // namespace sol
-
-#endif // SOL_USERTYPE_TRAITS_HPP
+// sol2
+
+// The MIT License (MIT)
+
+// Copyright (c) 2013-2022 Rapptz, ThePhD and contributors
+
+// Permission is hereby granted, free of charge, to any person obtaining a copy of
+// this software and associated documentation files (the "Software"), to deal in
+// the Software without restriction, including without limitation the rights to
+// use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of
+// the Software, and to permit persons to whom the Software is furnished to do so,
+// subject to the following conditions:
+
+// The above copyright notice and this permission notice shall be included in all
+// copies or substantial portions of the Software.
+
+// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS
+// FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR
+// COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER
+// IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
+// CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+
+#ifndef SOL_USERTYPE_TRAITS_HPP
+#define SOL_USERTYPE_TRAITS_HPP
+
+#include <sol/demangle.hpp>
+
+namespace sol {
+
+	template <typename T>
+	struct usertype_traits {
+		static const std::string& name() {
+			static const std::string& n = detail::short_demangle<T>();
+			return n;
+		}
+		static const std::string& qualified_name() {
+			static const std::string& q_n = detail::demangle<T>();
+			return q_n;
+		}
+		static const std::string& metatable() {
+			static const std::string m = std::string("sol.").append(detail::demangle<T>());
+			return m;
+		}
+		static const std::string& user_metatable() {
+			static const std::string u_m = std::string("sol.").append(detail::demangle<T>()).append(".user");
+			return u_m;
+		}
+		static const std::string& user_gc_metatable() {
+			static const std::string u_g_m = std::string("sol.").append(detail::demangle<T>()).append(".user\xE2\x99\xBB");
+			return u_g_m;
+		}
+		static const std::string& gc_table() {
+			static const std::string g_t = std::string("sol.").append(detail::demangle<T>()).append(".\xE2\x99\xBB");
+			return g_t;
+		}
+	};
+
+} // namespace sol
+
+#endif // SOL_USERTYPE_TRAITS_HPP
diff --git a/extern/sol3/sol/utility/is_integer.hpp b/extern/sol3/sol/utility/is_integer.hpp
new file mode 100644
index 0000000000..9292bb6314
--- /dev/null
+++ b/extern/sol3/sol/utility/is_integer.hpp
@@ -0,0 +1,43 @@
+// sol2
+
+// The MIT License (MIT)
+
+// Copyright (c) 2013-2022 Rapptz, ThePhD and contributors
+
+// Permission is hereby granted, free of charge, to any person obtaining a copy of
+// this software and associated documentation files (the "Software"), to deal in
+// the Software without restriction, including without limitation the rights to
+// use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of
+// the Software, and to permit persons to whom the Software is furnished to do so,
+// subject to the following conditions:
+
+// The above copyright notice and this Spermission notice shall be included in all
+// copies or substantial portions of the Software.
+
+// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS
+// FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR
+// COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER
+// IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
+// CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+
+#ifndef SOL_IS_INTEGER_HPP
+#define SOL_IS_INTEGER_HPP
+
+#include <sol/object.hpp>
+
+namespace sol::utility {
+
+	// Returns true if the object is represented by an integer,
+	// not a floating point number or any other type.
+	inline bool is_integer(const sol::object& object) {
+		auto pp = stack::push_pop(object);
+		return lua_isinteger(object.lua_state(), -1);
+	}
+	inline bool is_integer(const sol::stack_object& object) {
+		return lua_isinteger(object.lua_state(), object.stack_index());
+	}
+
+} // namespace sol::utility
+
+#endif // SOL_IS_INTEGER_HPP
diff --git a/extern/sol3/sol/utility/to_string.hpp b/extern/sol3/sol/utility/to_string.hpp
new file mode 100644
index 0000000000..51b85a4fda
--- /dev/null
+++ b/extern/sol3/sol/utility/to_string.hpp
@@ -0,0 +1,59 @@
+// sol2
+
+// The MIT License (MIT)
+
+// Copyright (c) 2013-2022 Rapptz, ThePhD and contributors
+
+// Permission is hereby granted, free of charge, to any person obtaining a copy of
+// this software and associated documentation files (the "Software"), to deal in
+// the Software without restriction, including without limitation the rights to
+// use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of
+// the Software, and to permit persons to whom the Software is furnished to do so,
+// subject to the following conditions:
+
+// The above copyright notice and this Spermission notice shall be included in all
+// copies or substantial portions of the Software.
+
+// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS
+// FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR
+// COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER
+// IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
+// CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+
+#ifndef SOL_TO_STRING_HPP
+#define SOL_TO_STRING_HPP
+
+#include <sol/forward.hpp>
+#include <sol/object.hpp>
+
+#include <cstddef>
+#include <string>
+
+namespace sol::utility {
+
+	// Converts any object into a string using luaL_tolstring.
+	//
+	// Note: Uses the metamethod __tostring if available.
+	inline std::string to_string(const sol::stack_object& object) {
+		std::size_t len;
+		const char* str = luaL_tolstring(object.lua_state(), object.stack_index(), &len);
+
+		auto result = std::string(str, len);
+
+		// luaL_tolstring pushes the string onto the stack, but since
+		// we have copied it into our std::string by now we should
+		// remove it from the stack.
+		lua_pop(object.lua_state(), 1);
+
+		return result;
+	}
+
+	inline std::string to_string(const sol::object& object) {
+		auto pp = sol::stack::push_pop(object);
+		return to_string(sol::stack_object(object.lua_state(), -1));
+	}
+
+} // namespace sol::utility
+
+#endif // SOL_IS_INTEGER_HPP
diff --git a/extern/sol3/sol/variadic_args.hpp b/extern/sol3/sol/variadic_args.hpp
index efaad38d5c..216c27b465 100644
--- a/extern/sol3/sol/variadic_args.hpp
+++ b/extern/sol3/sol/variadic_args.hpp
@@ -2,7 +2,7 @@
 
 // The MIT License (MIT)
 
-// Copyright (c) 2013-2021 Rapptz, ThePhD and contributors
+// Copyright (c) 2013-2022 Rapptz, ThePhD and contributors
 
 // Permission is hereby granted, free of charge, to any person obtaining a copy of
 // this software and associated documentation files (the "Software"), to deal in
diff --git a/extern/sol3/sol/variadic_results.hpp b/extern/sol3/sol/variadic_results.hpp
index 6b8e981c20..877946a3b9 100644
--- a/extern/sol3/sol/variadic_results.hpp
+++ b/extern/sol3/sol/variadic_results.hpp
@@ -2,7 +2,7 @@
 
 // The MIT License (MIT)
 
-// Copyright (c) 2013-2021 Rapptz, ThePhD and contributors
+// Copyright (c) 2013-2022 Rapptz, ThePhD and contributors
 
 // Permission is hereby granted, free of charge, to any person obtaining a copy of
 // this software and associated documentation files (the "Software"), to deal in
@@ -61,6 +61,8 @@ namespace sol {
 
 		basic_variadic_results(const basic_variadic_results&) = default;
 		basic_variadic_results(basic_variadic_results&&) = default;
+		basic_variadic_results& operator=(const basic_variadic_results&) = default;
+		basic_variadic_results& operator=(basic_variadic_results&&) = default;
 	};
 
 	struct variadic_results : public basic_variadic_results<> {
diff --git a/extern/sol3/sol/version.hpp b/extern/sol3/sol/version.hpp
index 9b091aaa02..9240c0a2fa 100644
--- a/extern/sol3/sol/version.hpp
+++ b/extern/sol3/sol/version.hpp
@@ -2,7 +2,7 @@
 
 // The MIT License (MIT)
 
-// Copyright (c) 2013-2021 Rapptz, ThePhD and contributors
+// Copyright (c) 2013-2022 Rapptz, ThePhD and contributors
 
 // Permission is hereby granted, free of charge, to any person obtaining a copy of
 // this software and associated documentation files (the "Software"), to deal in
@@ -29,15 +29,28 @@
 // clang-format off
 
 #define SOL_VERSION_MAJOR 3
-#define SOL_VERSION_MINOR 2
-#define SOL_VERSION_PATCH 3
-#define SOL_VERSION_STRING "3.2.3"
+#define SOL_VERSION_MINOR 5
+#define SOL_VERSION_PATCH 0
+#define SOL_VERSION_STRING "3.5.0"
 #define SOL_VERSION ((SOL_VERSION_MAJOR * 100000) + (SOL_VERSION_MINOR * 100) + (SOL_VERSION_PATCH))
 
-#define SOL_IS_ON(OP_SYMBOL) ((3 OP_SYMBOL 3) != 0)
-#define SOL_IS_OFF(OP_SYMBOL) ((3 OP_SYMBOL 3) == 0)
-#define SOL_IS_DEFAULT_ON(OP_SYMBOL) ((3 OP_SYMBOL 3) > 3)
-#define SOL_IS_DEFAULT_OFF(OP_SYMBOL) ((3 OP_SYMBOL 3 OP_SYMBOL 3) < 0)
+#define SOL_TOKEN_TO_STRING_POST_EXPANSION_I_(_TOKEN) #_TOKEN
+#define SOL_TOKEN_TO_STRING_I_(_TOKEN) SOL_TOKEN_TO_STRING_POST_EXPANSION_I_(_TOKEN)
+
+#define SOL_CONCAT_TOKENS_POST_EXPANSION_I_(_LEFT, _RIGHT) _LEFT##_RIGHT
+#define SOL_CONCAT_TOKENS_I_(_LEFT, _RIGHT) SOL_CONCAT_TOKENS_POST_EXPANSION_I_(_LEFT, _RIGHT)
+
+#define SOL_RAW_USE(SYMBOL) SYMBOL
+#define SOL_RAW_IS_ON(OP_SYMBOL) ((3 OP_SYMBOL 3) != 0)
+#define SOL_RAW_IS_OFF(OP_SYMBOL) ((3 OP_SYMBOL 3) == 0)
+#define SOL_RAW_IS_DEFAULT_ON(OP_SYMBOL) ((3 OP_SYMBOL 3) > 3)
+#define SOL_RAW_IS_DEFAULT_OFF(OP_SYMBOL) ((3 OP_SYMBOL 3 OP_SYMBOL 3) < 0)
+
+#define SOL_IS_ON(OP_SYMBOL) SOL_RAW_IS_ON(OP_SYMBOL ## _I_)
+#define SOL_IS_OFF(OP_SYMBOL) SOL_RAW_IS_OFF(OP_SYMBOL ## _I_)
+#define SOL_IS_DEFAULT_ON(OP_SYMBOL) SOL_RAW_IS_DEFAULT_ON(OP_SYMBOL ## _I_)
+#define SOL_IS_DEFAULT_OFF(OP_SYMBOL) SOL_RAW_IS_DEFAULT_OFF(OP_SYMBOL ## _I_)
+#define SOL_USE(SYMBOL) SOL_RAW_USE(SYMBOL ## _I_)
 
 #define SOL_ON          |
 #define SOL_OFF         ^
@@ -68,7 +81,7 @@
 	#define SOL_BUILD_C_MODE_I_ SOL_DEFAULT_OFF
 #endif
 
-#if SOL_IS_ON(SOL_BUILD_C_MODE_I_)
+#if SOL_IS_ON(SOL_BUILD_C_MODE)
 	#include <stddef.h>
 	#include <stdint.h>
 	#include <limits.h>
@@ -78,8 +91,16 @@
 	#include <climits>
 #endif
 
+#if defined(SOL_HAS_BUILTIN)
+	#define SOL_HAS_BUILTIN_I_(...) SOL_HAS_BUILTIN(__VA_ARGS__)
+#elif defined(__has_builtin)
+	#define SOL_HAS_BUILTIN_I_(...) __has_builtin(__VA_ARGS__)
+#else
+	#define SOL_HAS_BUILTIN_I_(...) 0
+#endif
+
 #if defined(SOL_COMPILER_VCXX)
-	#if defined(SOL_COMPILER_VCXX != 0)
+	#if (SOL_COMPILER_VCXX != 0)
 		#define SOL_COMPILER_VCXX_I_ SOL_ON
 	#else
 		#define SOL_COMPILER_VCXX_I_ SOL_OFF
@@ -91,7 +112,7 @@
 #endif
 
 #if defined(SOL_COMPILER_GCC)
-	#if defined(SOL_COMPILER_GCC != 0)
+	#if (SOL_COMPILER_GCC != 0)
 		#define SOL_COMPILER_GCC_I_ SOL_ON
 	#else
 		#define SOL_COMPILER_GCC_I_ SOL_OFF
@@ -103,7 +124,7 @@
 #endif
 
 #if defined(SOL_COMPILER_CLANG)
-	#if defined(SOL_COMPILER_CLANG != 0)
+	#if (SOL_COMPILER_CLANG != 0)
 		#define SOL_COMPILER_CLANG_I_ SOL_ON
 	#else
 		#define SOL_COMPILER_CLANG_I_ SOL_OFF
@@ -115,7 +136,7 @@
 #endif
 
 #if defined(SOL_COMPILER_EDG)
-	#if defined(SOL_COMPILER_EDG != 0)
+	#if (SOL_COMPILER_EDG != 0)
 		#define SOL_COMPILER_EDG_I_ SOL_ON
 	#else
 		#define SOL_COMPILER_EDG_I_ SOL_OFF
@@ -197,7 +218,7 @@
 		#define SOL_PLATFORM_UNIXLIKE_I_ SOL_OFF
 	#endif
 #elif defined(__unix__)
-	#define SOL_PLATFORM_UNIXLIKE_I_ SOL_DEFAUKT_ON
+	#define SOL_PLATFORM_UNIXLIKE_I_ SOL_DEFAULT_ON
 #else
 	#define SOL_PLATFORM_UNIXLIKE_I_ SOL_DEFAULT_OFF
 #endif
@@ -209,7 +230,7 @@
 		#define SOL_PLATFORM_LINUXLIKE_I_ SOL_OFF
 	#endif
 #elif defined(__LINUX__)
-	#define SOL_PLATFORM_LINUXLIKE_I_ SOL_DEFAUKT_ON
+	#define SOL_PLATFORM_LINUXLIKE_I_ SOL_DEFAULT_ON
 #else
 	#define SOL_PLATFORM_LINUXLIKE_I_ SOL_DEFAULT_OFF
 #endif
@@ -218,15 +239,15 @@
 #define SOL_PLATFORM_BSDLIKE_I_      SOL_OFF
 
 #if defined(SOL_IN_DEBUG_DETECTED)
-	#if SOL_IN_DEBUG_DETECTED != 0
+	#if (SOL_IN_DEBUG_DETECTED != 0)
 		#define SOL_DEBUG_BUILD_I_ SOL_ON
 	#else
 		#define SOL_DEBUG_BUILD_I_ SOL_OFF
 	#endif
 #elif !defined(NDEBUG)
-	#if SOL_IS_ON(SOL_COMPILER_VCXX_I_) && defined(_DEBUG)
+	#if SOL_IS_ON(SOL_COMPILER_VCXX) && defined(_DEBUG)
 		#define SOL_DEBUG_BUILD_I_ SOL_ON
-	#elif (SOL_IS_ON(SOL_COMPILER_CLANG_I_) || SOL_IS_ON(SOL_COMPILER_GCC_I_)) && !defined(__OPTIMIZE__)
+	#elif (SOL_IS_ON(SOL_COMPILER_CLANG) || SOL_IS_ON(SOL_COMPILER_GCC)) && !defined(__OPTIMIZE__)
 		#define SOL_DEBUG_BUILD_I_ SOL_ON
 	#else
 		#define SOL_DEBUG_BUILD_I_ SOL_OFF
@@ -241,13 +262,13 @@
 	#else
 		#define SOL_EXCEPTIONS_I_ SOL_ON
 	#endif
-#elif SOL_IS_ON(SOL_COMPILER_VCXX_I_)
+#elif SOL_IS_ON(SOL_COMPILER_VCXX)
 	#if !defined(_CPPUNWIND)
 		#define SOL_EXCEPTIONS_I_ SOL_OFF
 	#else
 		#define SOL_EXCEPTIONS_I_ SOL_ON
 	#endif
-#elif SOL_IS_ON(SOL_COMPILER_CLANG_I_) || SOL_IS_ON(SOL_COMPILER_GCC_I_)
+#elif SOL_IS_ON(SOL_COMPILER_CLANG) || SOL_IS_ON(SOL_COMPILER_GCC)
 	#if !defined(__EXCEPTIONS)
 		#define SOL_EXCEPTIONS_I_ SOL_OFF
 	#else
@@ -264,13 +285,13 @@
 	#else
 		#define SOL_RTTI_I_ SOL_ON
 	#endif
-#elif SOL_IS_ON(SOL_COMPILER_VCXX_I_)
+#elif SOL_IS_ON(SOL_COMPILER_VCXX)
 	#if !defined(_CPPRTTI)
 		#define SOL_RTTI_I_ SOL_OFF
 	#else
 		#define SOL_RTTI_I_ SOL_ON
 	#endif
-#elif SOL_IS_ON(SOL_COMPILER_CLANG_I_) || SOL_IS_ON(SOL_COMPILER_GCC_I_)
+#elif SOL_IS_ON(SOL_COMPILER_CLANG) || SOL_IS_ON(SOL_COMPILER_GCC)
 	#if !defined(__GXX_RTTI)
 		#define SOL_RTTI_I_ SOL_OFF
 	#else
@@ -281,7 +302,7 @@
 #endif
 
 #if defined(SOL_NO_THREAD_LOCAL)
-	#if SOL_NO_THREAD_LOCAL != 0
+	#if (SOL_NO_THREAD_LOCAL != 0)
 		#define SOL_USE_THREAD_LOCAL_I_ SOL_OFF
 	#else
 		#define SOL_USE_THREAD_LOCAL_I_ SOL_ON
@@ -291,7 +312,7 @@
 #endif // thread_local keyword is bjorked on some platforms
 
 #if defined(SOL_ALL_SAFETIES_ON)
-	#if SOL_ALL_SAFETIES_ON != 0
+	#if (SOL_ALL_SAFETIES_ON != 0)
 		#define SOL_ALL_SAFETIES_ON_I_ SOL_ON
 	#else
 		#define SOL_ALL_SAFETIES_ON_I_ SOL_OFF
@@ -301,15 +322,15 @@
 #endif
 
 #if defined(SOL_SAFE_GETTER)
-	#if SOL_SAFE_GETTER != 0
+	#if (SOL_SAFE_GETTER != 0)
 		#define SOL_SAFE_GETTER_I_ SOL_ON
 	#else
 		#define SOL_SAFE_GETTER_I_ SOL_OFF
 	#endif
 #else
-	#if SOL_IS_ON(SOL_ALL_SAFETIES_ON_I_)
+	#if SOL_IS_ON(SOL_ALL_SAFETIES_ON)
 		#define SOL_SAFE_GETTER_I_ SOL_ON
-	#elif SOL_IS_ON(SOL_DEBUG_BUILD_I_)
+	#elif SOL_IS_ON(SOL_DEBUG_BUILD)
 		#define SOL_SAFE_GETTER_I_ SOL_DEFAULT_ON
 	#else
 		#define SOL_SAFE_GETTER_I_ SOL_DEFAULT_OFF
@@ -317,15 +338,15 @@
 #endif
 
 #if defined(SOL_SAFE_USERTYPE)
-	#if SOL_SAFE_USERTYPE != 0
+	#if (SOL_SAFE_USERTYPE != 0)
 		#define SOL_SAFE_USERTYPE_I_ SOL_ON
 	#else
 		#define SOL_SAFE_USERTYPE_I_ SOL_OFF
 	#endif
 #else
-	#if SOL_IS_ON(SOL_ALL_SAFETIES_ON_I_)
+	#if SOL_IS_ON(SOL_ALL_SAFETIES_ON)
 		#define SOL_SAFE_USERTYPE_I_ SOL_ON
-	#elif SOL_IS_ON(SOL_DEBUG_BUILD_I_)
+	#elif SOL_IS_ON(SOL_DEBUG_BUILD)
 		#define SOL_SAFE_USERTYPE_I_ SOL_DEFAULT_ON
 	#else
 		#define SOL_SAFE_USERTYPE_I_ SOL_DEFAULT_OFF
@@ -333,15 +354,15 @@
 #endif
 
 #if defined(SOL_SAFE_REFERENCES)
-	#if SOL_SAFE_REFERENCES != 0
+	#if (SOL_SAFE_REFERENCES != 0)
 		#define SOL_SAFE_REFERENCES_I_ SOL_ON
 	#else
 		#define SOL_SAFE_REFERENCES_I_ SOL_OFF
 	#endif
 #else
-	#if SOL_IS_ON(SOL_ALL_SAFETIES_ON_I_)
+	#if SOL_IS_ON(SOL_ALL_SAFETIES_ON)
 		#define SOL_SAFE_REFERENCES_I_ SOL_ON
-	#elif SOL_IS_ON(SOL_DEBUG_BUILD_I_)
+	#elif SOL_IS_ON(SOL_DEBUG_BUILD)
 		#define SOL_SAFE_REFERENCES_I_ SOL_DEFAULT_ON
 	#else
 		#define SOL_SAFE_REFERENCES_I_ SOL_DEFAULT_OFF
@@ -349,21 +370,21 @@
 #endif
 
 #if defined(SOL_SAFE_FUNCTIONS)
-	#if SOL_SAFE_FUNCTIONS != 0
+	#if (SOL_SAFE_FUNCTIONS != 0)
 		#define SOL_SAFE_FUNCTION_OBJECTS_I_ SOL_ON
 	#else
 		#define SOL_SAFE_FUNCTION_OBJECTS_I_ SOL_OFF
 	#endif
 #elif defined (SOL_SAFE_FUNCTION_OBJECTS)
-	#if SOL_SAFE_FUNCTION_OBJECTS != 0
+	#if (SOL_SAFE_FUNCTION_OBJECTS != 0)
 		#define SOL_SAFE_FUNCTION_OBJECTS_I_ SOL_ON
 	#else
 		#define SOL_SAFE_FUNCTION_OBJECTS_I_ SOL_OFF
 	#endif
 #else
-	#if SOL_IS_ON(SOL_ALL_SAFETIES_ON_I_)
+	#if SOL_IS_ON(SOL_ALL_SAFETIES_ON)
 		#define SOL_SAFE_FUNCTION_OBJECTS_I_ SOL_ON
-	#elif SOL_IS_ON(SOL_DEBUG_BUILD_I_)
+	#elif SOL_IS_ON(SOL_DEBUG_BUILD)
 		#define SOL_SAFE_FUNCTION_OBJECTS_I_ SOL_DEFAULT_ON
 	#else
 		#define SOL_SAFE_FUNCTION_OBJECTS_I_ SOL_DEFAULT_OFF
@@ -371,15 +392,15 @@
 #endif
 
 #if defined(SOL_SAFE_FUNCTION_CALLS)
-	#if SOL_SAFE_FUNCTION_CALLS != 0
+	#if (SOL_SAFE_FUNCTION_CALLS != 0)
 		#define SOL_SAFE_FUNCTION_CALLS_I_ SOL_ON
 	#else
 		#define SOL_SAFE_FUNCTION_CALLS_I_ SOL_OFF
 	#endif
 #else
-	#if SOL_IS_ON(SOL_ALL_SAFETIES_ON_I_)
+	#if SOL_IS_ON(SOL_ALL_SAFETIES_ON)
 		#define SOL_SAFE_FUNCTION_CALLS_I_ SOL_ON
-	#elif SOL_IS_ON(SOL_DEBUG_BUILD_I_)
+	#elif SOL_IS_ON(SOL_DEBUG_BUILD)
 		#define SOL_SAFE_FUNCTION_CALLS_I_ SOL_DEFAULT_ON
 	#else
 		#define SOL_SAFE_FUNCTION_CALLS_I_ SOL_DEFAULT_OFF
@@ -387,15 +408,15 @@
 #endif
 
 #if defined(SOL_SAFE_PROXIES)
-	#if SOL_SAFE_PROXIES != 0
+	#if (SOL_SAFE_PROXIES != 0)
 		#define SOL_SAFE_PROXIES_I_ SOL_ON
 	#else
 		#define SOL_SAFE_PROXIES_I_ SOL_OFF
 	#endif
 #else
-	#if SOL_IS_ON(SOL_ALL_SAFETIES_ON_I_)
+	#if SOL_IS_ON(SOL_ALL_SAFETIES_ON)
 		#define SOL_SAFE_PROXIES_I_ SOL_ON
-	#elif SOL_IS_ON(SOL_DEBUG_BUILD_I_)
+	#elif SOL_IS_ON(SOL_DEBUG_BUILD)
 		#define SOL_SAFE_PROXIES_I_ SOL_DEFAULT_ON
 	#else
 		#define SOL_SAFE_PROXIES_I_ SOL_DEFAULT_OFF
@@ -403,15 +424,15 @@
 #endif
 
 #if defined(SOL_SAFE_NUMERICS)
-	#if SOL_SAFE_NUMERICS != 0
+	#if (SOL_SAFE_NUMERICS != 0)
 		#define SOL_SAFE_NUMERICS_I_ SOL_ON
 	#else
 		#define SOL_SAFE_NUMERICS_I_ SOL_OFF
 	#endif
 #else
-	#if SOL_IS_ON(SOL_ALL_SAFETIES_ON_I_)
+	#if SOL_IS_ON(SOL_ALL_SAFETIES_ON)
 		#define SOL_SAFE_NUMERICS_I_ SOL_ON
-	#elif SOL_IS_ON(SOL_DEBUG_BUILD_I_)
+	#elif SOL_IS_ON(SOL_DEBUG_BUILD)
 		#define SOL_SAFE_NUMERICS_I_ SOL_DEFAULT_ON
 	#else
 		#define SOL_SAFE_NUMERICS_I_ SOL_DEFAULT_OFF
@@ -424,7 +445,7 @@
 	#else
 		#define SOL_ALL_INTEGER_VALUES_FIT_I_ SOL_OFF
 	#endif
-#elif !SOL_IS_DEFAULT_OFF(SOL_SAFE_NUMERICS_I_) && SOL_IS_OFF(SOL_SAFE_NUMERICS_I_)
+#elif !SOL_IS_DEFAULT_OFF(SOL_SAFE_NUMERICS) && SOL_IS_OFF(SOL_SAFE_NUMERICS)
 	// if numerics is intentionally turned off, flip this on
 	#define SOL_ALL_INTEGER_VALUES_FIT_I_ SOL_DEFAULT_ON
 #else
@@ -433,15 +454,15 @@
 #endif
 
 #if defined(SOL_SAFE_STACK_CHECK)
-	#if SOL_SAFE_STACK_CHECK != 0
+	#if (SOL_SAFE_STACK_CHECK != 0)
 		#define SOL_SAFE_STACK_CHECK_I_ SOL_ON
 	#else
 		#define SOL_SAFE_STACK_CHECK_I_ SOL_OFF
 	#endif
 #else
-	#if SOL_IS_ON(SOL_ALL_SAFETIES_ON_I_)
+	#if SOL_IS_ON(SOL_ALL_SAFETIES_ON)
 		#define SOL_SAFE_STACK_CHECK_I_ SOL_ON
-	#elif SOL_IS_ON(SOL_DEBUG_BUILD_I_)
+	#elif SOL_IS_ON(SOL_DEBUG_BUILD)
 		#define SOL_SAFE_STACK_CHECK_I_ SOL_DEFAULT_ON
 	#else
 		#define SOL_SAFE_STACK_CHECK_I_ SOL_DEFAULT_OFF
@@ -449,23 +470,23 @@
 #endif
 
 #if defined(SOL_NO_CHECK_NUMBER_PRECISION)
-	#if SOL_NO_CHECK_NUMBER_PRECISION != 0
+	#if (SOL_NO_CHECK_NUMBER_PRECISION != 0)
 		#define SOL_NUMBER_PRECISION_CHECKS_I_ SOL_OFF
 	#else
 		#define SOL_NUMBER_PRECISION_CHECKS_I_ SOL_ON
 	#endif
 #elif defined(SOL_NO_CHECKING_NUMBER_PRECISION)
-	#if SOL_NO_CHECKING_NUMBER_PRECISION != 0
+	#if (SOL_NO_CHECKING_NUMBER_PRECISION != 0)
 		#define SOL_NUMBER_PRECISION_CHECKS_I_ SOL_OFF
 	#else
 		#define SOL_NUMBER_PRECISION_CHECKS_I_ SOL_ON
 	#endif
 #else
-	#if SOL_IS_ON(SOL_ALL_SAFETIES_ON_I_)
+	#if SOL_IS_ON(SOL_ALL_SAFETIES_ON)
 		#define SOL_NUMBER_PRECISION_CHECKS_I_ SOL_ON
-	#elif SOL_IS_ON(SOL_SAFE_NUMERICS_I_)
+	#elif SOL_IS_ON(SOL_SAFE_NUMERICS)
 		#define SOL_NUMBER_PRECISION_CHECKS_I_ SOL_ON
-	#elif SOL_IS_ON(SOL_DEBUG_BUILD_I_)
+	#elif SOL_IS_ON(SOL_DEBUG_BUILD)
 		#define SOL_NUMBER_PRECISION_CHECKS_I_ SOL_DEFAULT_ON
 	#else
 		#define SOL_NUMBER_PRECISION_CHECKS_I_ SOL_DEFAULT_OFF
@@ -483,13 +504,13 @@
 #endif
 
 #if defined(SOL_ENABLE_INTEROP)
-	#if SOL_ENABLE_INTEROP != 0
+	#if (SOL_ENABLE_INTEROP != 0)
 		#define SOL_USE_INTEROP_I_ SOL_ON
 	#else
 		#define SOL_USE_INTEROP_I_ SOL_OFF
 	#endif
 #elif defined(SOL_USE_INTEROP)
-	#if SOL_USE_INTEROP != 0
+	#if (SOL_USE_INTEROP != 0)
 		#define SOL_USE_INTEROP_I_ SOL_ON
 	#else
 		#define SOL_USE_INTEROP_I_ SOL_OFF
@@ -543,7 +564,7 @@
 		#define SOL_STD_VARIANT_I_ SOL_OFF
 	#endif
 #else
-	#if SOL_IS_ON(SOL_COMPILER_CLANG_I_) && SOL_IS_ON(SOL_PLATFORM_APPLE_I_)
+	#if SOL_IS_ON(SOL_COMPILER_CLANG) && SOL_IS_ON(SOL_PLATFORM_APPLE)
 		#if defined(__has_include)
 			#if __has_include(<variant>)
 				#define SOL_STD_VARIANT_I_ SOL_DEFAULT_ON
@@ -567,7 +588,7 @@
 #else
 	#if defined(__cpp_noexcept_function_type)
 		#define SOL_USE_NOEXCEPT_FUNCTION_TYPE_I_ SOL_ON
-	#elif SOL_IS_ON(SOL_COMPILER_VCXX_I_) && (defined(_MSVC_LANG) && (_MSVC_LANG < 201403L))
+	#elif SOL_IS_ON(SOL_COMPILER_VCXX) && (defined(_MSVC_LANG) && (_MSVC_LANG < 201403L))
 		// There is a bug in the VC++ compiler??
 		// on /std:c++latest under x86 conditions (VS 15.5.2),
 		// compiler errors are tossed for noexcept markings being on function types
@@ -579,19 +600,19 @@
 	#endif
 #endif // noexcept is part of a function's type
 
-#if defined(SOL_STACK_STRING_OPTIMIZATION_SIZE) && SOL_STACK_STRING_OPTIMIZATION_SIZE > 0
+#if defined(SOL_STACK_STRING_OPTIMIZATION_SIZE) && (SOL_STACK_STRING_OPTIMIZATION_SIZE > 0)
 	#define SOL_OPTIMIZATION_STRING_CONVERSION_STACK_SIZE_I_ SOL_STACK_STRING_OPTIMIZATION_SIZE
 #else
 	#define SOL_OPTIMIZATION_STRING_CONVERSION_STACK_SIZE_I_ 1024
 #endif
 
-#if defined(SOL_ID_SIZE) && SOL_ID_SIZE > 0
+#if defined(SOL_ID_SIZE) && (SOL_ID_SIZE > 0)
 	#define SOL_ID_SIZE_I_ SOL_ID_SIZE
 #else
 	#define SOL_ID_SIZE_I_ 512
 #endif
 
-#if defined(LUA_IDSIZE) && LUA_IDSIZE > 0
+#if defined(LUA_IDSIZE) && (LUA_IDSIZE > 0)
 	#define SOL_FILE_ID_SIZE_I_ LUA_IDSIZE
 #elif defined(SOL_ID_SIZE) && SOL_ID_SIZE > 0
 	#define SOL_FILE_ID_SIZE_I_ SOL_FILE_ID_SIZE
@@ -606,9 +627,9 @@
 		#define SOL_PRINT_ERRORS_I_ SOL_OFF
 	#endif
 #else
-	#if SOL_IS_ON(SOL_ALL_SAFETIES_ON_I_)
+	#if SOL_IS_ON(SOL_ALL_SAFETIES_ON)
 		#define SOL_PRINT_ERRORS_I_ SOL_ON
-	#elif SOL_IS_ON(SOL_DEBUG_BUILD_I_)
+	#elif SOL_IS_ON(SOL_DEBUG_BUILD)
 		#define SOL_PRINT_ERRORS_I_ SOL_DEFAULT_ON
 	#else
 		#define SOL_PRINT_ERRORS_I_ SOL_OFF
@@ -627,34 +648,35 @@
 
 #if defined(SOL_USING_CXX_LUA)
 	#if (SOL_USING_CXX_LUA != 0)
-		#define SOL_USE_CXX_LUA_I_ SOL_ON
+		#define SOL_USING_CXX_LUA_I_ SOL_ON
 	#else
-		#define SOL_USE_CXX_LUA_I_ SOL_OFF
+		#define SOL_USING_CXX_LUA_I_ SOL_OFF
 	#endif
 #elif defined(SOL_USE_CXX_LUA)
+	// alternative spelling
 	#if (SOL_USE_CXX_LUA != 0)
-		#define SOL_USE_CXX_LUA_I_ SOL_ON
+		#define SOL_USING_CXX_LUA_I_ SOL_ON
 	#else
-		#define SOL_USE_CXX_LUA_I_ SOL_OFF
+		#define SOL_USING_CXX_LUA_I_ SOL_OFF
 	#endif
 #else
-	#define SOL_USE_CXX_LUA_I_ SOL_DEFAULT_OFF
+	#define SOL_USING_CXX_LUA_I_ SOL_DEFAULT_OFF
 #endif
 
 #if defined(SOL_USING_CXX_LUAJIT)
-	#if (SOL_USING_CXX_LUA != 0)
-		#define SOL_USE_CXX_LUAJIT_I_ SOL_ON
+	#if (SOL_USING_CXX_LUAJIT != 0)
+		#define SOL_USING_CXX_LUAJIT_I_ SOL_ON
 	#else
-		#define SOL_USE_CXX_LUAJIT_I_ SOL_OFF
+		#define SOL_USING_CXX_LUAJIT_I_ SOL_OFF
 	#endif
 #elif defined(SOL_USE_CXX_LUAJIT)
-	#if (SOL_USE_CXX_LUA != 0)
-		#define SOL_USE_CXX_LUAJIT_I_ SOL_ON
+	#if (SOL_USE_CXX_LUAJIT != 0)
+		#define SOL_USING_CXX_LUAJIT_I_ SOL_ON
 	#else
-		#define SOL_USE_CXX_LUAJIT_I_ SOL_OFF
+		#define SOL_USING_CXX_LUAJIT_I_ SOL_OFF
 	#endif
 #else
-	#define SOL_USE_CXX_LUAJIT_I_ SOL_DEFAULT_OFF
+	#define SOL_USING_CXX_LUAJIT_I_ SOL_DEFAULT_OFF
 #endif
 
 #if defined(SOL_NO_LUA_HPP)
@@ -663,7 +685,7 @@
 	#else
 		#define SOL_USE_LUA_HPP_I_ SOL_ON
 	#endif
-#elif defined(SOL_USING_CXX_LUA)
+#elif SOL_IS_ON(SOL_USING_CXX_LUA)
 	#define SOL_USE_LUA_HPP_I_ SOL_OFF
 #elif defined(__has_include)
 	#if __has_include(<lua.hpp>)
@@ -749,6 +771,16 @@
 	#define SOL_GET_FUNCTION_POINTER_UNSAFE_I_ SOL_DEFAULT_OFF
 #endif
 
+#if defined(SOL_CONTAINER_CHECK_IS_EXHAUSTIVE)
+	#if (SOL_CONTAINER_CHECK_IS_EXHAUSTIVE != 0)
+		#define SOL_CONTAINER_CHECK_IS_EXHAUSTIVE_I_ SOL_ON
+	#else
+		#define SOL_CONTAINER_CHECK_IS_EXHAUSTIVE_I_ SOL_OFF
+	#endif
+#else
+	#define SOL_CONTAINER_CHECK_IS_EXHAUSTIVE_I_ SOL_DEFAULT_OFF
+#endif
+
 #if defined(SOL_FUNCTION_CALL_VALUE_SEMANTICS)
 	#if (SOL_FUNCTION_CALL_VALUE_SEMANTICS != 0)
 		#define SOL_FUNCTION_CALL_VALUE_SEMANTICS_I_ SOL_ON
@@ -765,7 +797,7 @@
 	#else
 		#define SOL_MINGW_CCTYPE_IS_POISONED_I_ SOL_OFF
 	#endif
-#elif SOL_IS_ON(SOL_COMPILER_MINGW_I_) && defined(__GNUC__) && (__GNUC__ < 6)
+#elif SOL_IS_ON(SOL_COMPILER_MINGW) && defined(__GNUC__) && (__GNUC__ < 6)
 	// MinGW is off its rocker in some places...
 	#define SOL_MINGW_CCTYPE_IS_POISONED_I_ SOL_DEFAULT_ON
 #else
@@ -786,7 +818,7 @@
 	#endif
 #endif
 
-#if SOL_IS_ON(SOL_USE_BOOST_I_)
+#if SOL_IS_ON(SOL_USE_BOOST)
 	#include <boost/version.hpp>
 
 	#if BOOST_VERSION >= 107500 // Since Boost 1.75.0 boost::none is constexpr
@@ -809,16 +841,16 @@
 	#define SOL2_CI_I_ SOL_DEFAULT_OFF
 #endif
 
-#if defined(SOL_C_ASSERT)
-	#define SOL_USER_C_ASSERT_I_ SOL_ON
+#if defined(SOL_ASSERT)
+	#define SOL_USER_ASSERT_I_ SOL_ON
 #else
-	#define SOL_USER_C_ASSERT_I_ SOL_DEFAULT_OFF
+	#define SOL_USER_ASSERT_I_ SOL_DEFAULT_OFF
 #endif
 
-#if defined(SOL_M_ASSERT)
-	#define SOL_USER_M_ASSERT_I_ SOL_ON
+#if defined(SOL_ASSERT_MSG)
+	#define SOL_USER_ASSERT_MSG_I_ SOL_ON
 #else
-	#define SOL_USER_M_ASSERT_I_ SOL_DEFAULT_OFF
+	#define SOL_USER_ASSERT_MSG_I_ SOL_DEFAULT_OFF
 #endif
 
 #include <sol/prologue.hpp>
diff --git a/extern/sol3/sol/wrapper.hpp b/extern/sol3/sol/wrapper.hpp
index 608ed589a5..4b4b466e2a 100644
--- a/extern/sol3/sol/wrapper.hpp
+++ b/extern/sol3/sol/wrapper.hpp
@@ -2,7 +2,7 @@
 
 // The MIT License (MIT)
 
-// Copyright (c) 2013-2021 Rapptz, ThePhD and contributors
+// Copyright (c) 2013-2022 Rapptz, ThePhD and contributors
 
 // Permission is hereby granted, free of charge, to any person obtaining a copy of
 // this software and associated documentation files (the "Software"), to deal in
@@ -222,7 +222,7 @@ namespace sol {
 	template <typename R, typename O, typename... Args>
 	struct wrapper<R (O::*)(Args..., ...) const volatile&&> : public member_function_wrapper<R (O::*)(Args..., ...) const volatile&, R, O, Args...> { };
 
-#if SOL_IS_ON(SOL_USE_NOEXCEPT_FUNCTION_TYPE_I_)
+#if SOL_IS_ON(SOL_USE_NOEXCEPT_FUNCTION_TYPE)
 	// noexcept has become a part of a function's type
 
 	template <typename R, typename O, typename... Args>