diff --git a/Makefile b/Makefile
index ca443f56..691d72bf 100644
--- a/Makefile
+++ b/Makefile
@@ -8,6 +8,9 @@ REGEX_VERSION := $(shell echo $(VERSION) | sed "s/\./\\\./g")
 
 all: coverage doc ## Equivalent to running `make coverage doc`.
 
+composer: ## Update composer dependencies (only production ones, optimize the autoloader)
+	composer update --no-dev --optimize-autoloader
+
 coverage: coverage-js coverage-php ## Run all unit tests and generate code coverage reports.
 
 coverage-js: ## Run JS unit tests and generate code coverage reports.
diff --git a/composer.json b/composer.json
index c1086acf..899c863f 100644
--- a/composer.json
+++ b/composer.json
@@ -24,8 +24,8 @@
 		"docs" : "https://privatebin.info/codedoc/"
 	},
 	"require" : {
-		"php" : "^5.6.0 || ^7.0",
-		"paragonie/random_compat" : "2.0.18",
+		"php" : "^5.6.0 || ^7.0 || ^8.0",
+		"paragonie/random_compat" : "2.0.19",
 		"yzalis/identicon" : "2.0.0"
 	},
 	"require-dev" : {
@@ -39,4 +39,4 @@
 	"config" : {
 		"autoloader-suffix" : "DontChange"
 	}
-}
+}
\ No newline at end of file
diff --git a/composer.lock b/composer.lock
index d8bf1cce..80d2276f 100644
--- a/composer.lock
+++ b/composer.lock
@@ -1,23 +1,23 @@
 {
     "_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",
+        "Read more about it at https://getcomposer.org/doc/01-basic-usage.md#installing-dependencies",
         "This file is @generated automatically"
     ],
-    "content-hash": "203b93e3e8cb37cc45988bb0ca1364bc",
+    "content-hash": "9d110873bf15a6abd66734e8a818134c",
     "packages": [
         {
             "name": "paragonie/random_compat",
-            "version": "v2.0.18",
+            "version": "v2.0.19",
             "source": {
                 "type": "git",
                 "url": "https://github.com/paragonie/random_compat.git",
-                "reference": "0a58ef6e3146256cc3dc7cc393927bcc7d1b72db"
+                "reference": "446fc9faa5c2a9ddf65eb7121c0af7e857295241"
             },
             "dist": {
                 "type": "zip",
-                "url": "https://api.github.com/repos/paragonie/random_compat/zipball/0a58ef6e3146256cc3dc7cc393927bcc7d1b72db",
-                "reference": "0a58ef6e3146256cc3dc7cc393927bcc7d1b72db",
+                "url": "https://api.github.com/repos/paragonie/random_compat/zipball/446fc9faa5c2a9ddf65eb7121c0af7e857295241",
+                "reference": "446fc9faa5c2a9ddf65eb7121c0af7e857295241",
                 "shasum": ""
             },
             "require": {
@@ -53,7 +53,7 @@
                 "pseudorandom",
                 "random"
             ],
-            "time": "2019-01-03T20:59:08+00:00"
+            "time": "2020-10-15T10:06:57+00:00"
         },
         {
             "name": "yzalis/identicon",
@@ -105,42 +105,38 @@
                 "identicon",
                 "image"
             ],
+            "abandoned": true,
             "time": "2019-10-14T09:30:57+00:00"
         }
     ],
     "packages-dev": [
         {
             "name": "doctrine/instantiator",
-            "version": "1.3.0",
+            "version": "1.4.0",
             "source": {
                 "type": "git",
                 "url": "https://github.com/doctrine/instantiator.git",
-                "reference": "ae466f726242e637cebdd526a7d991b9433bacf1"
+                "reference": "d56bf6102915de5702778fe20f2de3b2fe570b5b"
             },
             "dist": {
                 "type": "zip",
-                "url": "https://api.github.com/repos/doctrine/instantiator/zipball/ae466f726242e637cebdd526a7d991b9433bacf1",
-                "reference": "ae466f726242e637cebdd526a7d991b9433bacf1",
+                "url": "https://api.github.com/repos/doctrine/instantiator/zipball/d56bf6102915de5702778fe20f2de3b2fe570b5b",
+                "reference": "d56bf6102915de5702778fe20f2de3b2fe570b5b",
                 "shasum": ""
             },
             "require": {
-                "php": "^7.1"
+                "php": "^7.1 || ^8.0"
             },
             "require-dev": {
-                "doctrine/coding-standard": "^6.0",
+                "doctrine/coding-standard": "^8.0",
                 "ext-pdo": "*",
                 "ext-phar": "*",
-                "phpbench/phpbench": "^0.13",
-                "phpstan/phpstan-phpunit": "^0.11",
-                "phpstan/phpstan-shim": "^0.11",
-                "phpunit/phpunit": "^7.0"
+                "phpbench/phpbench": "^0.13 || 1.0.0-alpha2",
+                "phpstan/phpstan": "^0.12",
+                "phpstan/phpstan-phpunit": "^0.12",
+                "phpunit/phpunit": "^7.0 || ^8.0 || ^9.0"
             },
             "type": "library",
-            "extra": {
-                "branch-alias": {
-                    "dev-master": "1.2.x-dev"
-                }
-            },
             "autoload": {
                 "psr-4": {
                     "Doctrine\\Instantiator\\": "src/Doctrine/Instantiator/"
@@ -154,7 +150,7 @@
                 {
                     "name": "Marco Pivetta",
                     "email": "ocramius@gmail.com",
-                    "homepage": "http://ocramius.github.com/"
+                    "homepage": "https://ocramius.github.io/"
                 }
             ],
             "description": "A small, lightweight utility to instantiate objects in PHP without invoking their constructors",
@@ -163,24 +159,38 @@
                 "constructor",
                 "instantiate"
             ],
-            "time": "2019-10-21T16:45:58+00:00"
+            "funding": [
+                {
+                    "url": "https://www.doctrine-project.org/sponsorship.html",
+                    "type": "custom"
+                },
+                {
+                    "url": "https://www.patreon.com/phpdoctrine",
+                    "type": "patreon"
+                },
+                {
+                    "url": "https://tidelift.com/funding/github/packagist/doctrine%2Finstantiator",
+                    "type": "tidelift"
+                }
+            ],
+            "time": "2020-11-10T18:47:58+00:00"
         },
         {
             "name": "myclabs/deep-copy",
-            "version": "1.9.5",
+            "version": "1.10.2",
             "source": {
                 "type": "git",
                 "url": "https://github.com/myclabs/DeepCopy.git",
-                "reference": "b2c28789e80a97badd14145fda39b545d83ca3ef"
+                "reference": "776f831124e9c62e1a2c601ecc52e776d8bb7220"
             },
             "dist": {
                 "type": "zip",
-                "url": "https://api.github.com/repos/myclabs/DeepCopy/zipball/b2c28789e80a97badd14145fda39b545d83ca3ef",
-                "reference": "b2c28789e80a97badd14145fda39b545d83ca3ef",
+                "url": "https://api.github.com/repos/myclabs/DeepCopy/zipball/776f831124e9c62e1a2c601ecc52e776d8bb7220",
+                "reference": "776f831124e9c62e1a2c601ecc52e776d8bb7220",
                 "shasum": ""
             },
             "require": {
-                "php": "^7.1"
+                "php": "^7.1 || ^8.0"
             },
             "replace": {
                 "myclabs/deep-copy": "self.version"
@@ -211,32 +221,35 @@
                 "object",
                 "object graph"
             ],
-            "time": "2020-01-17T21:11:47+00:00"
+            "funding": [
+                {
+                    "url": "https://tidelift.com/funding/github/packagist/myclabs/deep-copy",
+                    "type": "tidelift"
+                }
+            ],
+            "time": "2020-11-13T09:40:50+00:00"
         },
         {
             "name": "phpdocumentor/reflection-common",
-            "version": "2.0.0",
+            "version": "2.2.0",
             "source": {
                 "type": "git",
                 "url": "https://github.com/phpDocumentor/ReflectionCommon.git",
-                "reference": "63a995caa1ca9e5590304cd845c15ad6d482a62a"
+                "reference": "1d01c49d4ed62f25aa84a747ad35d5a16924662b"
             },
             "dist": {
                 "type": "zip",
-                "url": "https://api.github.com/repos/phpDocumentor/ReflectionCommon/zipball/63a995caa1ca9e5590304cd845c15ad6d482a62a",
-                "reference": "63a995caa1ca9e5590304cd845c15ad6d482a62a",
+                "url": "https://api.github.com/repos/phpDocumentor/ReflectionCommon/zipball/1d01c49d4ed62f25aa84a747ad35d5a16924662b",
+                "reference": "1d01c49d4ed62f25aa84a747ad35d5a16924662b",
                 "shasum": ""
             },
             "require": {
-                "php": ">=7.1"
-            },
-            "require-dev": {
-                "phpunit/phpunit": "~6"
+                "php": "^7.2 || ^8.0"
             },
             "type": "library",
             "extra": {
                 "branch-alias": {
-                    "dev-master": "2.x-dev"
+                    "dev-2.x": "2.x-dev"
                 }
             },
             "autoload": {
@@ -263,45 +276,41 @@
                 "reflection",
                 "static analysis"
             ],
-            "time": "2018-08-07T13:53:10+00:00"
+            "time": "2020-06-27T09:03:43+00:00"
         },
         {
             "name": "phpdocumentor/reflection-docblock",
-            "version": "4.3.4",
+            "version": "5.2.2",
             "source": {
                 "type": "git",
                 "url": "https://github.com/phpDocumentor/ReflectionDocBlock.git",
-                "reference": "da3fd972d6bafd628114f7e7e036f45944b62e9c"
+                "reference": "069a785b2141f5bcf49f3e353548dc1cce6df556"
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             "dist": {
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-                "url": "https://api.github.com/repos/phpDocumentor/ReflectionDocBlock/zipball/da3fd972d6bafd628114f7e7e036f45944b62e9c",
-                "reference": "da3fd972d6bafd628114f7e7e036f45944b62e9c",
+                "url": "https://api.github.com/repos/phpDocumentor/ReflectionDocBlock/zipball/069a785b2141f5bcf49f3e353548dc1cce6df556",
+                "reference": "069a785b2141f5bcf49f3e353548dc1cce6df556",
                 "shasum": ""
             },
             "require": {
-                "php": "^7.0",
-                "phpdocumentor/reflection-common": "^1.0.0 || ^2.0.0",
-                "phpdocumentor/type-resolver": "~0.4 || ^1.0.0",
-                "webmozart/assert": "^1.0"
+                "ext-filter": "*",
+                "php": "^7.2 || ^8.0",
+                "phpdocumentor/reflection-common": "^2.2",
+                "phpdocumentor/type-resolver": "^1.3",
+                "webmozart/assert": "^1.9.1"
             },
             "require-dev": {
-                "doctrine/instantiator": "^1.0.5",
-                "mockery/mockery": "^1.0",
-                "phpdocumentor/type-resolver": "0.4.*",
-                "phpunit/phpunit": "^6.4"
+                "mockery/mockery": "~1.3.2"
             },
             "type": "library",
             "extra": {
                 "branch-alias": {
-                    "dev-master": "4.x-dev"
+                    "dev-master": "5.x-dev"
                 }
             },
             "autoload": {
                 "psr-4": {
-                    "phpDocumentor\\Reflection\\": [
-                        "src/"
-                    ]
+                    "phpDocumentor\\Reflection\\": "src"
                 }
             },
             "notification-url": "https://packagist.org/downloads/",
@@ -312,38 +321,40 @@
                 {
                     "name": "Mike van Riel",
                     "email": "me@mikevanriel.com"
+                },
+                {
+                    "name": "Jaap van Otterdijk",
+                    "email": "account@ijaap.nl"
                 }
             ],
             "description": "With this component, a library can provide support for annotations via DocBlocks or otherwise retrieve information that is embedded in a DocBlock.",
-            "time": "2019-12-28T18:55:12+00:00"
+            "time": "2020-09-03T19:13:55+00:00"
         },
         {
             "name": "phpdocumentor/type-resolver",
-            "version": "1.0.1",
+            "version": "1.4.0",
             "source": {
                 "type": "git",
                 "url": "https://github.com/phpDocumentor/TypeResolver.git",
-                "reference": "2e32a6d48972b2c1976ed5d8967145b6cec4a4a9"
+                "reference": "6a467b8989322d92aa1c8bf2bebcc6e5c2ba55c0"
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             "dist": {
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-                "reference": "2e32a6d48972b2c1976ed5d8967145b6cec4a4a9",
+                "url": "https://api.github.com/repos/phpDocumentor/TypeResolver/zipball/6a467b8989322d92aa1c8bf2bebcc6e5c2ba55c0",
+                "reference": "6a467b8989322d92aa1c8bf2bebcc6e5c2ba55c0",
                 "shasum": ""
             },
             "require": {
-                "php": "^7.1",
+                "php": "^7.2 || ^8.0",
                 "phpdocumentor/reflection-common": "^2.0"
             },
             "require-dev": {
-                "ext-tokenizer": "^7.1",
-                "mockery/mockery": "~1",
-                "phpunit/phpunit": "^7.0"
+                "ext-tokenizer": "*"
             },
             "type": "library",
             "extra": {
                 "branch-alias": {
-                    "dev-master": "1.x-dev"
+                    "dev-1.x": "1.x-dev"
                 }
             },
             "autoload": {
@@ -362,20 +373,20 @@
                 }
             ],
             "description": "A PSR-5 based resolver of Class names, Types and Structural Element Names",
-            "time": "2019-08-22T18:11:29+00:00"
+            "time": "2020-09-17T18:55:26+00:00"
         },
         {
             "name": "phpspec/prophecy",
-            "version": "v1.10.2",
+            "version": "v1.10.3",
             "source": {
                 "type": "git",
                 "url": "https://github.com/phpspec/prophecy.git",
-                "reference": "b4400efc9d206e83138e2bb97ed7f5b14b831cd9"
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-                "reference": "b4400efc9d206e83138e2bb97ed7f5b14b831cd9",
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+                "reference": "451c3cd1418cf640de218914901e51b064abb093",
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@@ -425,7 +436,7 @@
                 "spy",
                 "stub"
             ],
-            "time": "2020-01-20T15:57:02+00:00"
+            "time": "2020-03-05T15:02:03+00:00"
         },
         {
             "name": "phpunit/php-code-coverage",
@@ -674,6 +685,7 @@
             "keywords": [
                 "tokenizer"
             ],
+            "abandoned": true,
             "time": "2017-11-27T05:48:46+00:00"
         },
         {
@@ -820,23 +832,23 @@
         },
         {
             "name": "sebastian/code-unit-reverse-lookup",
-            "version": "1.0.1",
+            "version": "1.0.2",
             "source": {
                 "type": "git",
                 "url": "https://github.com/sebastianbergmann/code-unit-reverse-lookup.git",
-                "reference": "4419fcdb5eabb9caa61a27c7a1db532a6b55dd18"
+                "reference": "1de8cd5c010cb153fcd68b8d0f64606f523f7619"
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-                "reference": "4419fcdb5eabb9caa61a27c7a1db532a6b55dd18",
+                "url": "https://api.github.com/repos/sebastianbergmann/code-unit-reverse-lookup/zipball/1de8cd5c010cb153fcd68b8d0f64606f523f7619",
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                 "shasum": ""
             },
             "require": {
-                "php": "^5.6 || ^7.0"
+                "php": ">=5.6"
             },
             "require-dev": {
-                "phpunit/phpunit": "^5.7 || ^6.0"
+                "phpunit/phpunit": "^8.5"
             },
             "type": "library",
             "extra": {
@@ -861,7 +873,13 @@
             ],
             "description": "Looks up which function or method a line of code belongs to",
             "homepage": "https://github.com/sebastianbergmann/code-unit-reverse-lookup/",
-            "time": "2017-03-04T06:30:41+00:00"
+            "funding": [
+                {
+                    "url": "https://github.com/sebastianbergmann",
+                    "type": "github"
+                }
+            ],
+            "time": "2020-11-30T08:15:22+00:00"
         },
         {
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@@ -1333,20 +1351,20 @@
         },
         {
             "name": "symfony/polyfill-ctype",
-            "version": "v1.17.0",
+            "version": "v1.22.1",
             "source": {
                 "type": "git",
                 "url": "https://github.com/symfony/polyfill-ctype.git",
-                "reference": "e94c8b1bbe2bc77507a1056cdb06451c75b427f9"
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-                "reference": "e94c8b1bbe2bc77507a1056cdb06451c75b427f9",
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             },
             "require": {
-                "php": ">=5.3.3"
+                "php": ">=7.1"
             },
             "suggest": {
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@@ -1354,7 +1372,11 @@
             "type": "library",
             "extra": {
                 "branch-alias": {
-                    "dev-master": "1.17-dev"
+                    "dev-main": "1.22-dev"
+                },
+                "thanks": {
+                    "name": "symfony/polyfill",
+                    "url": "https://github.com/symfony/polyfill"
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             "autoload": {
@@ -1387,20 +1409,34 @@
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                 "portable"
             ],
-            "time": "2020-05-12T16:14:59+00:00"
+            "funding": [
+                {
+                    "url": "https://symfony.com/sponsor",
+                    "type": "custom"
+                },
+                {
+                    "url": "https://github.com/fabpot",
+                    "type": "github"
+                },
+                {
+                    "url": "https://tidelift.com/funding/github/packagist/symfony/symfony",
+                    "type": "tidelift"
+                }
+            ],
+            "time": "2021-01-07T16:49:33+00:00"
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         {
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-            "version": "v4.4.9",
+            "version": "v4.4.21",
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@@ -1417,11 +1453,6 @@
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-                    "dev-master": "4.4-dev"
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@@ -1444,35 +1475,55 @@
                     "homepage": "https://symfony.com/contributors"
                 }
             ],
-            "description": "Symfony Yaml Component",
+            "description": "Loads and dumps YAML files",
             "homepage": "https://symfony.com",
-            "time": "2020-05-20T08:37:50+00:00"
+            "funding": [
+                {
+                    "url": "https://symfony.com/sponsor",
+                    "type": "custom"
+                },
+                {
+                    "url": "https://github.com/fabpot",
+                    "type": "github"
+                },
+                {
+                    "url": "https://tidelift.com/funding/github/packagist/symfony/symfony",
+                    "type": "tidelift"
+                }
+            ],
+            "time": "2021-03-05T17:58:50+00:00"
         },
         {
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-            "version": "1.6.0",
+            "version": "1.10.0",
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-                "url": "https://github.com/webmozart/assert.git",
-                "reference": "573381c0a64f155a0d9a23f4b0c797194805b925"
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                 "type": "zip",
-                "url": "https://api.github.com/repos/webmozart/assert/zipball/573381c0a64f155a0d9a23f4b0c797194805b925",
-                "reference": "573381c0a64f155a0d9a23f4b0c797194805b925",
+                "url": "https://api.github.com/repos/webmozarts/assert/zipball/6964c76c7804814a842473e0c8fd15bab0f18e25",
+                "reference": "6964c76c7804814a842473e0c8fd15bab0f18e25",
                 "shasum": ""
             },
             "require": {
-                "php": "^5.3.3 || ^7.0",
+                "php": "^7.2 || ^8.0",
                 "symfony/polyfill-ctype": "^1.8"
             },
             "conflict": {
-                "vimeo/psalm": "<3.6.0"
+                "phpstan/phpstan": "<0.12.20",
+                "vimeo/psalm": "<4.6.1 || 4.6.2"
             },
             "require-dev": {
-                "phpunit/phpunit": "^4.8.36 || ^7.5.13"
+                "phpunit/phpunit": "^8.5.13"
             },
             "type": "library",
+            "extra": {
+                "branch-alias": {
+                    "dev-master": "1.10-dev"
+                }
+            },
             "autoload": {
                 "psr-4": {
                     "Webmozart\\Assert\\": "src/"
@@ -1494,7 +1545,7 @@
                 "check",
                 "validate"
             ],
-            "time": "2019-11-24T13:36:37+00:00"
+            "time": "2021-03-09T10:59:23+00:00"
         }
     ],
     "aliases": [],
@@ -1503,7 +1554,8 @@
     "prefer-stable": false,
     "prefer-lowest": false,
     "platform": {
-        "php": "^5.6.0 || ^7.0"
+        "php": "^5.6.0 || ^7.0 || ^8.0"
     },
-    "platform-dev": []
+    "platform-dev": [],
+    "plugin-api-version": "1.1.0"
 }
diff --git a/vendor/composer/ClassLoader.php b/vendor/composer/ClassLoader.php
index dc02dfb1..fce8549f 100644
--- a/vendor/composer/ClassLoader.php
+++ b/vendor/composer/ClassLoader.php
@@ -279,7 +279,7 @@ class ClassLoader
      */
     public function setApcuPrefix($apcuPrefix)
     {
-        $this->apcuPrefix = function_exists('apcu_fetch') && ini_get('apc.enabled') ? $apcuPrefix : null;
+        $this->apcuPrefix = function_exists('apcu_fetch') && filter_var(ini_get('apc.enabled'), FILTER_VALIDATE_BOOLEAN) ? $apcuPrefix : null;
     }
 
     /**
@@ -377,7 +377,7 @@ class ClassLoader
             $subPath = $class;
             while (false !== $lastPos = strrpos($subPath, '\\')) {
                 $subPath = substr($subPath, 0, $lastPos);
-                $search = $subPath.'\\';
+                $search = $subPath . '\\';
                 if (isset($this->prefixDirsPsr4[$search])) {
                     $pathEnd = DIRECTORY_SEPARATOR . substr($logicalPathPsr4, $lastPos + 1);
                     foreach ($this->prefixDirsPsr4[$search] as $dir) {
diff --git a/vendor/composer/autoload_real.php b/vendor/composer/autoload_real.php
index 2e234b96..7a6fd4c0 100644
--- a/vendor/composer/autoload_real.php
+++ b/vendor/composer/autoload_real.php
@@ -13,6 +13,9 @@ class ComposerAutoloaderInitDontChange
         }
     }
 
+    /**
+     * @return \Composer\Autoload\ClassLoader
+     */
     public static function getLoader()
     {
         if (null !== self::$loader) {
diff --git a/vendor/paragonie/random_compat/phpunit-autoload.php b/vendor/paragonie/random_compat/phpunit-autoload.php
new file mode 100644
index 00000000..87b01aac
--- /dev/null
+++ b/vendor/paragonie/random_compat/phpunit-autoload.php
@@ -0,0 +1,14 @@
+<?php
+
+require_once __DIR__ . '/psalm-autoload.php';
+
+/**
+ * This is necessary for PHPUnit on PHP >= 5.3
+ *
+ * Class PHPUnit_Framework_TestCase
+ */
+if (PHP_VERSION_ID >= 50300) {
+    if (!class_exists('PHPUnit_Framework_TestCase')) {
+        require_once __DIR__ . '/other/phpunit-shim.php';
+    }
+}