diff --git a/.gitignore b/.gitignore
index 0dca145..30babff 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1,2 +1,3 @@
 /vendor/
 .idea
+composer.lock
diff --git a/composer.lock b/composer.lock
deleted file mode 100644
index 7facaa2..0000000
--- a/composer.lock
+++ /dev/null
@@ -1,241 +0,0 @@
-{
-    "_readme": [
-        "This file locks the dependencies of your project to a known state",
-        "Read more about it at https://getcomposer.org/doc/01-basic-usage.md#composer-lock-the-lock-file",
-        "This file is @generated automatically"
-    ],
-    "content-hash": "e94413d031d3c517aa5122f0946cf2d3",
-    "packages": [
-        {
-            "name": "container-interop/container-interop",
-            "version": "1.2.0",
-            "source": {
-                "type": "git",
-                "url": "https://github.com/container-interop/container-interop.git",
-                "reference": "79cbf1341c22ec75643d841642dd5d6acd83bdb8"
-            },
-            "dist": {
-                "type": "zip",
-                "url": "https://api.github.com/repos/container-interop/container-interop/zipball/79cbf1341c22ec75643d841642dd5d6acd83bdb8",
-                "reference": "79cbf1341c22ec75643d841642dd5d6acd83bdb8",
-                "shasum": ""
-            },
-            "require": {
-                "psr/container": "^1.0"
-            },
-            "type": "library",
-            "autoload": {
-                "psr-4": {
-                    "Interop\\Container\\": "src/Interop/Container/"
-                }
-            },
-            "notification-url": "https://packagist.org/downloads/",
-            "license": [
-                "MIT"
-            ],
-            "description": "Promoting the interoperability of container objects (DIC, SL, etc.)",
-            "homepage": "https://github.com/container-interop/container-interop",
-            "time": "2017-02-14T19:40:03+00:00"
-        },
-        {
-            "name": "php-di/invoker",
-            "version": "1.3.3",
-            "source": {
-                "type": "git",
-                "url": "https://github.com/PHP-DI/Invoker.git",
-                "reference": "1f4ca63b9abc66109e53b255e465d0ddb5c2e3f7"
-            },
-            "dist": {
-                "type": "zip",
-                "url": "https://api.github.com/repos/PHP-DI/Invoker/zipball/1f4ca63b9abc66109e53b255e465d0ddb5c2e3f7",
-                "reference": "1f4ca63b9abc66109e53b255e465d0ddb5c2e3f7",
-                "shasum": ""
-            },
-            "require": {
-                "container-interop/container-interop": "~1.1"
-            },
-            "require-dev": {
-                "athletic/athletic": "~0.1.8",
-                "phpunit/phpunit": "~4.5"
-            },
-            "type": "library",
-            "autoload": {
-                "psr-4": {
-                    "Invoker\\": "src/"
-                }
-            },
-            "notification-url": "https://packagist.org/downloads/",
-            "license": [
-                "MIT"
-            ],
-            "description": "Generic and extensible callable invoker",
-            "homepage": "https://github.com/PHP-DI/Invoker",
-            "keywords": [
-                "callable",
-                "dependency",
-                "dependency-injection",
-                "injection",
-                "invoke",
-                "invoker"
-            ],
-            "time": "2016-07-14T13:09:58+00:00"
-        },
-        {
-            "name": "php-di/php-di",
-            "version": "5.4.6",
-            "source": {
-                "type": "git",
-                "url": "https://github.com/PHP-DI/PHP-DI.git",
-                "reference": "3f9255659595f3e289f473778bb6c51aa72abbbd"
-            },
-            "dist": {
-                "type": "zip",
-                "url": "https://api.github.com/repos/PHP-DI/PHP-DI/zipball/3f9255659595f3e289f473778bb6c51aa72abbbd",
-                "reference": "3f9255659595f3e289f473778bb6c51aa72abbbd",
-                "shasum": ""
-            },
-            "require": {
-                "container-interop/container-interop": "~1.2",
-                "php": ">=5.5.0",
-                "php-di/invoker": "^1.3.2",
-                "php-di/phpdoc-reader": "^2.0.1",
-                "psr/container": "~1.0"
-            },
-            "provide": {
-                "container-interop/container-interop-implementation": "^1.0",
-                "psr/container-implementation": "^1.0"
-            },
-            "replace": {
-                "mnapoli/php-di": "*"
-            },
-            "require-dev": {
-                "doctrine/annotations": "~1.2",
-                "doctrine/cache": "~1.4",
-                "mnapoli/phpunit-easymock": "~0.2.0",
-                "ocramius/proxy-manager": "~1.0|~2.0",
-                "phpbench/phpbench": "@dev",
-                "phpunit/phpunit": "~4.5"
-            },
-            "suggest": {
-                "doctrine/annotations": "Install it if you want to use annotations (version ~1.2)",
-                "doctrine/cache": "Install it if you want to use the cache (version ~1.4)",
-                "ocramius/proxy-manager": "Install it if you want to use lazy injection (version ~1.0 or ~2.0)"
-            },
-            "type": "library",
-            "autoload": {
-                "psr-4": {
-                    "DI\\": "src/DI/"
-                },
-                "files": [
-                    "src/DI/functions.php"
-                ]
-            },
-            "notification-url": "https://packagist.org/downloads/",
-            "license": [
-                "MIT"
-            ],
-            "description": "The dependency injection container for humans",
-            "homepage": "http://php-di.org/",
-            "keywords": [
-                "container",
-                "dependency injection",
-                "di"
-            ],
-            "time": "2017-12-03T08:20:27+00:00"
-        },
-        {
-            "name": "php-di/phpdoc-reader",
-            "version": "2.0.1",
-            "source": {
-                "type": "git",
-                "url": "https://github.com/PHP-DI/PhpDocReader.git",
-                "reference": "83f5ead159defccfa8e7092e5b6c1c533b326d68"
-            },
-            "dist": {
-                "type": "zip",
-                "url": "https://api.github.com/repos/PHP-DI/PhpDocReader/zipball/83f5ead159defccfa8e7092e5b6c1c533b326d68",
-                "reference": "83f5ead159defccfa8e7092e5b6c1c533b326d68",
-                "shasum": ""
-            },
-            "require": {
-                "php": ">=5.3.0"
-            },
-            "require-dev": {
-                "phpunit/phpunit": "~4.6"
-            },
-            "type": "library",
-            "autoload": {
-                "psr-4": {
-                    "PhpDocReader\\": "src/PhpDocReader"
-                }
-            },
-            "notification-url": "https://packagist.org/downloads/",
-            "license": [
-                "MIT"
-            ],
-            "description": "PhpDocReader parses @var and @param values in PHP docblocks (supports namespaced class names with the same resolution rules as PHP)",
-            "keywords": [
-                "phpdoc",
-                "reflection"
-            ],
-            "time": "2015-11-29T10:34:25+00:00"
-        },
-        {
-            "name": "psr/container",
-            "version": "1.0.0",
-            "source": {
-                "type": "git",
-                "url": "https://github.com/php-fig/container.git",
-                "reference": "b7ce3b176482dbbc1245ebf52b181af44c2cf55f"
-            },
-            "dist": {
-                "type": "zip",
-                "url": "https://api.github.com/repos/php-fig/container/zipball/b7ce3b176482dbbc1245ebf52b181af44c2cf55f",
-                "reference": "b7ce3b176482dbbc1245ebf52b181af44c2cf55f",
-                "shasum": ""
-            },
-            "require": {
-                "php": ">=5.3.0"
-            },
-            "type": "library",
-            "extra": {
-                "branch-alias": {
-                    "dev-master": "1.0.x-dev"
-                }
-            },
-            "autoload": {
-                "psr-4": {
-                    "Psr\\Container\\": "src/"
-                }
-            },
-            "notification-url": "https://packagist.org/downloads/",
-            "license": [
-                "MIT"
-            ],
-            "authors": [
-                {
-                    "name": "PHP-FIG",
-                    "homepage": "http://www.php-fig.org/"
-                }
-            ],
-            "description": "Common Container Interface (PHP FIG PSR-11)",
-            "homepage": "https://github.com/php-fig/container",
-            "keywords": [
-                "PSR-11",
-                "container",
-                "container-interface",
-                "container-interop",
-                "psr"
-            ],
-            "time": "2017-02-14T16:28:37+00:00"
-        }
-    ],
-    "packages-dev": [],
-    "aliases": [],
-    "minimum-stability": "stable",
-    "stability-flags": [],
-    "prefer-stable": false,
-    "prefer-lowest": false,
-    "platform": [],
-    "platform-dev": []
-}