diff --git a/.travis.yml b/.travis.yml
index 3d667d8..9f379f8 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -22,7 +22,8 @@ cache:
 
 before_install:
   - composer self-update
-  
+  - composer validate
+
 install:
   - composer install --prefer-dist --no-interaction
 
diff --git a/composer.lock b/composer.lock
index 3d44d0c..a9fa4ad 100644
--- a/composer.lock
+++ b/composer.lock
@@ -1,55 +1,218 @@
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-    ],
-    "hash": "5fb4edd1df6d1229395f973b68675bfe",
-    "packages": [
-
+        "Read more about it at https://getcomposer.org/doc/01-basic-usage.md#composer-lock-the-lock-file",
+        "This file is @generated automatically"
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+    "hash": "fd9fc5e6da0104ab5a4bd03fcf53f73a",
+    "packages": [],
     "packages-dev": [
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-            "version": "1.2.13",
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-                "reference": "466e7cd2554b4e264c9e3f31216d25ac0e5f3d94"
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-                "phpunit/php-text-template": ">=1.1.1@stable",
-                "phpunit/php-token-stream": ">=1.1.3@stable"
+                "php": ">=5.3,<8.0-DEV"
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-                "phpunit/phpunit": "3.7.*@dev"
-            },
-            "suggest": {
-                "ext-dom": "*",
-                "ext-xdebug": ">=2.0.5"
+                "athletic/athletic": "~0.1.8",
+                "ext-pdo": "*",
+                "ext-phar": "*",
+                "phpunit/phpunit": "~4.0",
+                "squizlabs/php_codesniffer": "~2.0"
             },
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+                    "dev-master": "1.0.x-dev"
+                }
+            },
+            "autoload": {
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+                    "Doctrine\\Instantiator\\": "src/Doctrine/Instantiator/"
+                }
+            },
+            "notification-url": "https://packagist.org/downloads/",
+            "license": [
+                "MIT"
+            ],
+            "authors": [
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+                    "email": "ocramius@gmail.com",
+                    "homepage": "http://ocramius.github.com/"
+                }
+            ],
+            "description": "A small, lightweight utility to instantiate objects in PHP without invoking their constructors",
+            "homepage": "https://github.com/doctrine/instantiator",
+            "keywords": [
+                "constructor",
+                "instantiate"
+            ],
+            "time": "2015-06-14 21:17:01"
+        },
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+            "name": "phpdocumentor/reflection-docblock",
+            "version": "2.0.4",
+            "source": {
+                "type": "git",
+                "url": "https://github.com/phpDocumentor/ReflectionDocBlock.git",
+                "reference": "d68dbdc53dc358a816f00b300704702b2eaff7b8"
+            },
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+            },
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+                "erusev/parsedown": "~1.0"
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+            "type": "library",
+            "extra": {
+                "branch-alias": {
+                    "dev-master": "2.0.x-dev"
+                }
+            },
+            "autoload": {
+                "psr-0": {
+                    "phpDocumentor": [
+                        "src/"
+                    ]
+                }
+            },
+            "notification-url": "https://packagist.org/downloads/",
+            "license": [
+                "MIT"
+            ],
+            "authors": [
+                {
+                    "name": "Mike van Riel",
+                    "email": "mike.vanriel@naenius.com"
+                }
+            ],
+            "time": "2015-02-03 12:10:50"
+        },
+        {
+            "name": "phpspec/prophecy",
+            "version": "v1.4.1",
+            "source": {
+                "type": "git",
+                "url": "https://github.com/phpspec/prophecy.git",
+                "reference": "3132b1f44c7bf2ec4c7eb2d3cb78fdeca760d373"
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+                }
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+            "notification-url": "https://packagist.org/downloads/",
+            "license": [
+                "MIT"
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+            "authors": [
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+                    "email": "ever.zet@gmail.com",
+                    "homepage": "http://everzet.com"
+                },
+                {
+                    "name": "Marcello Duarte",
+                    "email": "marcello.duarte@gmail.com"
+                }
+            ],
+            "description": "Highly opinionated mocking framework for PHP 5.3+",
+            "homepage": "https://github.com/phpspec/prophecy",
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+                "Dummy",
+                "fake",
+                "mock",
+                "spy",
+                "stub"
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+        },
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+            "version": "2.1.8",
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+                "url": "https://github.com/sebastianbergmann/php-code-coverage.git",
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+                "reference": "6044546998c7627ab997501a3d0db972b3db9790",
+                "shasum": ""
+            },
+            "require": {
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+                "phpunit/php-file-iterator": "~1.3",
+                "phpunit/php-text-template": "~1.2",
+                "phpunit/php-token-stream": "~1.3",
+                "sebastian/environment": "~1.0",
+                "sebastian/version": "~1.0"
+            },
+            "require-dev": {
+                "ext-xdebug": ">=2.1.4",
+                "phpunit/phpunit": "~4"
+            },
+            "suggest": {
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+                "ext-xdebug": ">=2.2.1",
+                "ext-xmlwriter": "*"
+            },
+            "type": "library",
+            "extra": {
+                "branch-alias": {
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-                    "PHP/"
+                    "src/"
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                 "BSD-3-Clause"
             ],
@@ -67,35 +230,37 @@
                 "testing",
                 "xunit"
             ],
-            "time": "2013-09-10 08:14:32"
+            "time": "2015-07-13 11:25:58"
         },
         {
             "name": "phpunit/php-file-iterator",
-            "version": "1.3.4",
+            "version": "1.4.0",
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-                "reference": "acd690379117b042d1c8af1fafd61bde001bf6bb"
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-                "reference": "acd690379117b042d1c8af1fafd61bde001bf6bb",
+                "url": "https://api.github.com/repos/sebastianbergmann/php-file-iterator/zipball/a923bb15680d0089e2316f7a4af8f437046e96bb",
+                "reference": "a923bb15680d0089e2316f7a4af8f437046e96bb",
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+            "extra": {
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+            },
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-                    "File/"
+                    "src/"
                 ]
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             "notification-url": "https://packagist.org/downloads/",
-            "include-path": [
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-            ],
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                 "BSD-3-Clause"
             ],
@@ -112,20 +277,20 @@
                 "filesystem",
                 "iterator"
             ],
-            "time": "2013-10-10 15:34:57"
+            "time": "2015-04-02 05:19:05"
         },
         {
             "name": "phpunit/php-text-template",
-            "version": "1.1.4",
+            "version": "1.2.1",
             "source": {
                 "type": "git",
                 "url": "https://github.com/sebastianbergmann/php-text-template.git",
-                "reference": "5180896f51c5b3648ac946b05f9ec02be78a0b23"
+                "reference": "31f8b717e51d9a2afca6c9f046f5d69fc27c8686"
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-                "reference": "5180896f51c5b3648ac946b05f9ec02be78a0b23",
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@@ -134,20 +299,17 @@
             "type": "library",
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-                    "Text/"
+                    "src/"
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                     "name": "Sebastian Bergmann",
-                    "email": "sb@sebastian-bergmann.de",
+                    "email": "sebastian@phpunit.de",
                     "role": "lead"
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             ],
@@ -156,20 +318,20 @@
             "keywords": [
                 "template"
             ],
-            "time": "2012-10-31 18:15:28"
+            "time": "2015-06-21 13:50:34"
         },
         {
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-            "version": "1.0.5",
+            "version": "1.0.6",
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@@ -178,13 +340,10 @@
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@@ -200,49 +359,48 @@
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-            "time": "2013-08-02 07:42:54"
+            "time": "2015-06-13 07:35:30"
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-            "version": "1.2.1",
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-                    "email": "sb@sebastian-bergmann.de",
-                    "role": "lead"
+                    "email": "sebastian@phpunit.de"
                 }
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@@ -250,63 +408,61 @@
             "keywords": [
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-            "time": "2013-09-13 04:58:23"
+            "time": "2015-06-19 03:43:16"
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-            "version": "3.7.28",
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+                "sebastian/diff": "~1.2",
+                "sebastian/environment": "~1.2",
+                "sebastian/exporter": "~1.2",
+                "sebastian/global-state": "~1.0",
+                "sebastian/version": "~1.0",
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+                "phpunit"
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@@ -318,45 +474,51 @@
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-            "homepage": "http://www.phpunit.de/",
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@@ -373,20 +535,391 @@
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+            "time": "2015-07-04 05:41:32"
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@@ -400,6 +933,11 @@
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@@ -443,34 +981,36 @@
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@@ -485,25 +1025,19 @@
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+                    "homepage": "https://symfony.com/contributors"
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-            "homepage": "http://symfony.com",
-            "time": "2013-12-28 08:12:03"
+            "homepage": "https://symfony.com",
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