diff --git a/composer.json b/composer.json
index 8c18dfe3..c97d5a86 100644
--- a/composer.json
+++ b/composer.json
@@ -32,7 +32,8 @@
         "phpunit/phpunit": "~5.0",
         "symfony/css-selector": "3.1.*",
         "symfony/dom-crawler": "3.1.*",
-        "barryvdh/laravel-debugbar": "~2.0"
+        "barryvdh/laravel-debugbar": "~2.0",
+        "jakub-onderka/php-parallel-lint": "^0.9.2"
     },
     "autoload": {
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diff --git a/composer.lock b/composer.lock
index fc22ac02..5d3496fa 100644
--- a/composer.lock
+++ b/composer.lock
@@ -4,7 +4,7 @@
         "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": "1c3fcc062b9b6e27bea438f835985c6b",
+    "content-hash": "f01992db8f967fa62b1a66a60d43be59",
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             "name": "anahkiasen/underscore-php",
@@ -58,16 +58,16 @@
         },
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             "name": "aws/aws-sdk-php",
-            "version": "3.20.1",
+            "version": "3.20.4",
             "source": {
                 "type": "git",
                 "url": "https://github.com/aws/aws-sdk-php.git",
-                "reference": "c83afe188b2f462840a5ab12d43f2e83f356f3f0"
+                "reference": "4541d9e350644a5c70b298d42e526b65275fc804"
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-                "reference": "c83afe188b2f462840a5ab12d43f2e83f356f3f0",
+                "url": "https://api.github.com/repos/aws/aws-sdk-php/zipball/4541d9e350644a5c70b298d42e526b65275fc804",
+                "reference": "4541d9e350644a5c70b298d42e526b65275fc804",
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@@ -134,7 +134,7 @@
                 "s3",
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-            "time": "2016-12-01T19:25:12+00:00"
+            "time": "2016-12-08T20:59:19+00:00"
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@@ -1330,20 +1330,20 @@
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+            "version": "2.3.0",
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                 "url": "https://github.com/jeremeamia/super_closure.git",
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+                "url": "https://api.github.com/repos/jeremeamia/super_closure/zipball/443c3df3207f176a1b41576ee2a66968a507b3db",
+                "reference": "443c3df3207f176a1b41576ee2a66968a507b3db",
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             "require": {
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+                "nikic/php-parser": "^1.2|^2.0|^3.0",
                 "php": ">=5.4",
                 "symfony/polyfill-php56": "^1.0"
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@@ -1353,7 +1353,7 @@
             "type": "library",
             "extra": {
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+                    "dev-master": "2.3-dev"
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             "autoload": {
@@ -1384,7 +1384,7 @@
                 "serialize",
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             ],
-            "time": "2015-12-05T17:17:57+00:00"
+            "time": "2016-12-07T09:37:55+00:00"
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@@ -3011,16 +3011,16 @@
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+            "version": "4.10.1",
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                 "url": "https://github.com/spatie/laravel-medialibrary.git",
-                "reference": "541d1ce470260dd52da7765472e61220045994a2"
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-                "reference": "541d1ce470260dd52da7765472e61220045994a2",
+                "url": "https://api.github.com/repos/spatie/laravel-medialibrary/zipball/090ba5ff7b378487171bd986501e29192a432962",
+                "reference": "090ba5ff7b378487171bd986501e29192a432962",
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@@ -3074,7 +3074,7 @@
                 "media",
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-            "time": "2016-10-25T16:08:07+00:00"
+            "time": "2016-12-12T07:24:32+00:00"
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             "name": "spatie/pdf-to-image",
@@ -4351,6 +4351,53 @@
             ],
             "time": "2015-05-11T14:41:42+00:00"
         },
+        {
+            "name": "jakub-onderka/php-parallel-lint",
+            "version": "v0.9.2",
+            "source": {
+                "type": "git",
+                "url": "https://github.com/JakubOnderka/PHP-Parallel-Lint.git",
+                "reference": "2ead2e4043ab125bee9554f356e0a86742c2d4fa"
+            },
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+                "reference": "2ead2e4043ab125bee9554f356e0a86742c2d4fa",
+                "shasum": ""
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+            "require": {
+                "php": ">=5.3.3"
+            },
+            "require-dev": {
+                "jakub-onderka/php-console-highlighter": "~0.3",
+                "nette/tester": "~1.3"
+            },
+            "suggest": {
+                "jakub-onderka/php-console-highlighter": "Highlight syntax in code snippet"
+            },
+            "bin": [
+                "parallel-lint"
+            ],
+            "type": "library",
+            "autoload": {
+                "classmap": [
+                    "./"
+                ]
+            },
+            "notification-url": "https://packagist.org/downloads/",
+            "license": [
+                "BSD-2-Clause"
+            ],
+            "authors": [
+                {
+                    "name": "Jakub Onderka",
+                    "email": "jakub.onderka@gmail.com"
+                }
+            ],
+            "description": "This tool check syntax of PHP files about 20x faster than serial check.",
+            "homepage": "https://github.com/JakubOnderka/PHP-Parallel-Lint",
+            "time": "2015-12-15T10:42:16+00:00"
+        },
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@@ -4974,16 +5021,16 @@
         },
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-            "version": "5.7.2",
+            "version": "5.7.3",
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                 "url": "https://github.com/sebastianbergmann/phpunit.git",
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-                "reference": "336aff0ac52e306c98e7455bc3e8d7b0bf777a5e",
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@@ -4994,7 +5041,7 @@
                 "ext-xml": "*",
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                 "php": "^5.6 || ^7.0",
-                "phpspec/prophecy": "^1.3.1",
+                "phpspec/prophecy": "^1.6.2",
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@@ -5052,20 +5099,20 @@
                 "testing",
                 "xunit"
             ],
-            "time": "2016-12-03T08:33:00+00:00"
+            "time": "2016-12-09T02:48:53+00:00"
         },
         {
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-            "version": "3.4.2",
+            "version": "3.4.3",
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                 "url": "https://github.com/sebastianbergmann/phpunit-mock-objects.git",
-                "reference": "90a08f5deed5f7ac35463c161f2e8fa0e5652faf"
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-                "reference": "90a08f5deed5f7ac35463c161f2e8fa0e5652faf",
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@@ -5111,7 +5158,7 @@
                 "mock",
                 "xunit"
             ],
-            "time": "2016-11-27T07:52:03+00:00"
+            "time": "2016-12-08T20:27:08+00:00"
         },
         {
             "name": "sebastian/code-unit-reverse-lookup",