diff --git a/composer.json b/composer.json
index 910e206..ef193a7 100644
--- a/composer.json
+++ b/composer.json
@@ -21,7 +21,7 @@
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diff --git a/composer.lock b/composer.lock
index da48070..6ec672f 100644
--- a/composer.lock
+++ b/composer.lock
@@ -4,7 +4,7 @@
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             "name": "aura/session",
@@ -1154,6 +1154,108 @@
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+                "reference": "2df402786ab5368a0169091f61a7c1e0eb6852d0"
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+                "ext-phar": "*",
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+                "php": "^5.6 || ^7.0"
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+            "license": [
+                "BSD-3-Clause"
+            ],
+            "authors": [
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+                    "name": "Arne Blankerts",
+                    "email": "arne@blankerts.de",
+                    "role": "Developer"
+                },
+                {
+                    "name": "Sebastian Heuer",
+                    "email": "sebastian@phpeople.de",
+                    "role": "Developer"
+                },
+                {
+                    "name": "Sebastian Bergmann",
+                    "email": "sebastian@phpunit.de",
+                    "role": "Developer"
+                }
+            ],
+            "description": "Component for reading phar.io manifest information from a PHP Archive (PHAR)",
+            "time": "2017-03-05T18:14:27+00:00"
+        },
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+            "autoload": {
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+                    "src/"
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+            },
+            "notification-url": "https://packagist.org/downloads/",
+            "license": [
+                "BSD-3-Clause"
+            ],
+            "authors": [
+                {
+                    "name": "Arne Blankerts",
+                    "email": "arne@blankerts.de",
+                    "role": "Developer"
+                },
+                {
+                    "name": "Sebastian Heuer",
+                    "email": "sebastian@phpeople.de",
+                    "role": "Developer"
+                },
+                {
+                    "name": "Sebastian Bergmann",
+                    "email": "sebastian@phpunit.de",
+                    "role": "Developer"
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+            ],
+            "description": "Library for handling version information and constraints",
+            "time": "2017-03-05T17:38:23+00:00"
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@@ -1365,40 +1467,41 @@
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+                "php": "^7.0",
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+                "phpunit/php-text-template": "^1.2.1",
+                "phpunit/php-token-stream": "^1.4.11 || ^2.0",
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@@ -1424,7 +1527,7 @@
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@@ -1614,16 +1717,16 @@
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@@ -1632,33 +1735,35 @@
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+                "sebastian/comparator": "^2.0.2",
+                "sebastian/diff": "^2.0",
+                "sebastian/environment": "^3.1",
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+                "sebastian/global-state": "^2.0",
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@@ -1666,7 +1771,7 @@
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@@ -1692,33 +1797,33 @@
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-                "php": "^5.6 || ^7.0",
-                "phpunit/php-text-template": "^1.2",
-                "sebastian/exporter": "^1.2 || ^2.0"
+                "doctrine/instantiator": "^1.0.5",
+                "php": "^7.0",
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@@ -1726,7 +1831,7 @@
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@@ -1751,7 +1856,7 @@
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-            "time": "2017-06-30T09:13:00+00:00"
+            "time": "2017-08-03T14:08:16+00:00"
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@@ -1839,30 +1944,30 @@
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-                "sebastian/exporter": "~1.2 || ~2.0"
+                "php": "^7.0",
+                "sebastian/diff": "^2.0",
+                "sebastian/exporter": "^3.0"
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@@ -1899,32 +2004,32 @@
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-            "time": "2017-01-29T09:50:25+00:00"
+            "time": "2017-08-03T07:14:59+00:00"
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@@ -1951,32 +2056,32 @@
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-            "time": "2017-05-22T07:24:03+00:00"
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@@ -2001,34 +2106,34 @@
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@@ -2068,27 +2173,27 @@
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-            "time": "2016-11-19T08:54:04+00:00"
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@@ -2096,7 +2201,7 @@
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             "autoload": {
@@ -2119,33 +2224,34 @@
             "keywords": [
                 "global state"
             ],
-            "time": "2015-10-12T03:26:01+00:00"
+            "time": "2017-04-27T15:39:26+00:00"
         },
         {
             "name": "sebastian/object-enumerator",
-            "version": "2.0.1",
+            "version": "3.0.3",
             "source": {
                 "type": "git",
                 "url": "https://github.com/sebastianbergmann/object-enumerator.git",
-                "reference": "1311872ac850040a79c3c058bea3e22d0f09cbb7"
+                "reference": "7cfd9e65d11ffb5af41198476395774d4c8a84c5"
             },
             "dist": {
                 "type": "zip",
-                "url": "https://api.github.com/repos/sebastianbergmann/object-enumerator/zipball/1311872ac850040a79c3c058bea3e22d0f09cbb7",
-                "reference": "1311872ac850040a79c3c058bea3e22d0f09cbb7",
+                "url": "https://api.github.com/repos/sebastianbergmann/object-enumerator/zipball/7cfd9e65d11ffb5af41198476395774d4c8a84c5",
+                "reference": "7cfd9e65d11ffb5af41198476395774d4c8a84c5",
                 "shasum": ""
             },
             "require": {
-                "php": ">=5.6",
-                "sebastian/recursion-context": "~2.0"
+                "php": "^7.0",
+                "sebastian/object-reflector": "^1.1.1",
+                "sebastian/recursion-context": "^3.0"
             },
             "require-dev": {
-                "phpunit/phpunit": "~5"
+                "phpunit/phpunit": "^6.0"
             },
             "type": "library",
             "extra": {
                 "branch-alias": {
-                    "dev-master": "2.0.x-dev"
+                    "dev-master": "3.0.x-dev"
                 }
             },
             "autoload": {
@@ -2165,32 +2271,77 @@
             ],
             "description": "Traverses array structures and object graphs to enumerate all referenced objects",
             "homepage": "https://github.com/sebastianbergmann/object-enumerator/",
-            "time": "2017-02-18T15:18:39+00:00"
+            "time": "2017-08-03T12:35:26+00:00"
         },
         {
-            "name": "sebastian/recursion-context",
-            "version": "2.0.0",
+            "name": "sebastian/object-reflector",
+            "version": "1.1.1",
             "source": {
                 "type": "git",
-                "url": "https://github.com/sebastianbergmann/recursion-context.git",
-                "reference": "2c3ba150cbec723aa057506e73a8d33bdb286c9a"
+                "url": "https://github.com/sebastianbergmann/object-reflector.git",
+                "reference": "773f97c67f28de00d397be301821b06708fca0be"
             },
             "dist": {
                 "type": "zip",
-                "url": "https://api.github.com/repos/sebastianbergmann/recursion-context/zipball/2c3ba150cbec723aa057506e73a8d33bdb286c9a",
-                "reference": "2c3ba150cbec723aa057506e73a8d33bdb286c9a",
+                "url": "https://api.github.com/repos/sebastianbergmann/object-reflector/zipball/773f97c67f28de00d397be301821b06708fca0be",
+                "reference": "773f97c67f28de00d397be301821b06708fca0be",
                 "shasum": ""
             },
             "require": {
-                "php": ">=5.3.3"
+                "php": "^7.0"
             },
             "require-dev": {
-                "phpunit/phpunit": "~4.4"
+                "phpunit/phpunit": "^6.0"
             },
             "type": "library",
             "extra": {
                 "branch-alias": {
-                    "dev-master": "2.0.x-dev"
+                    "dev-master": "1.1-dev"
+                }
+            },
+            "autoload": {
+                "classmap": [
+                    "src/"
+                ]
+            },
+            "notification-url": "https://packagist.org/downloads/",
+            "license": [
+                "BSD-3-Clause"
+            ],
+            "authors": [
+                {
+                    "name": "Sebastian Bergmann",
+                    "email": "sebastian@phpunit.de"
+                }
+            ],
+            "description": "Allows reflection of object attributes, including inherited and non-public ones",
+            "homepage": "https://github.com/sebastianbergmann/object-reflector/",
+            "time": "2017-03-29T09:07:27+00:00"
+        },
+        {
+            "name": "sebastian/recursion-context",
+            "version": "3.0.0",
+            "source": {
+                "type": "git",
+                "url": "https://github.com/sebastianbergmann/recursion-context.git",
+                "reference": "5b0cd723502bac3b006cbf3dbf7a1e3fcefe4fa8"
+            },
+            "dist": {
+                "type": "zip",
+                "url": "https://api.github.com/repos/sebastianbergmann/recursion-context/zipball/5b0cd723502bac3b006cbf3dbf7a1e3fcefe4fa8",
+                "reference": "5b0cd723502bac3b006cbf3dbf7a1e3fcefe4fa8",
+                "shasum": ""
+            },
+            "require": {
+                "php": "^7.0"
+            },
+            "require-dev": {
+                "phpunit/phpunit": "^6.0"
+            },
+            "type": "library",
+            "extra": {
+                "branch-alias": {
+                    "dev-master": "3.0.x-dev"
                 }
             },
             "autoload": {
@@ -2218,7 +2369,7 @@
             ],
             "description": "Provides functionality to recursively process PHP variables",
             "homepage": "http://www.github.com/sebastianbergmann/recursion-context",
-            "time": "2016-11-19T07:33:16+00:00"
+            "time": "2017-03-03T06:23:57+00:00"
         },
         {
             "name": "sebastian/resource-operations",
@@ -2483,6 +2634,46 @@
             ],
             "time": "2017-10-02T06:42:24+00:00"
         },
+        {
+            "name": "theseer/tokenizer",
+            "version": "1.1.0",
+            "source": {
+                "type": "git",
+                "url": "https://github.com/theseer/tokenizer.git",
+                "reference": "cb2f008f3f05af2893a87208fe6a6c4985483f8b"
+            },
+            "dist": {
+                "type": "zip",
+                "url": "https://api.github.com/repos/theseer/tokenizer/zipball/cb2f008f3f05af2893a87208fe6a6c4985483f8b",
+                "reference": "cb2f008f3f05af2893a87208fe6a6c4985483f8b",
+                "shasum": ""
+            },
+            "require": {
+                "ext-dom": "*",
+                "ext-tokenizer": "*",
+                "ext-xmlwriter": "*",
+                "php": "^7.0"
+            },
+            "type": "library",
+            "autoload": {
+                "classmap": [
+                    "src/"
+                ]
+            },
+            "notification-url": "https://packagist.org/downloads/",
+            "license": [
+                "BSD-3-Clause"
+            ],
+            "authors": [
+                {
+                    "name": "Arne Blankerts",
+                    "email": "arne@blankerts.de",
+                    "role": "Developer"
+                }
+            ],
+            "description": "A small library for converting tokenized PHP source code into XML and potentially other formats",
+            "time": "2017-04-07T12:08:54+00:00"
+        },
         {
             "name": "webmozart/assert",
             "version": "1.2.0",
diff --git a/tests/ConfigTest.php b/tests/ConfigTest.php
index f37935c..37e7419 100644
--- a/tests/ConfigTest.php
+++ b/tests/ConfigTest.php
@@ -6,11 +6,12 @@
 namespace Alltube\Test;
 
 use Alltube\Config;
+use PHPUnit\Framework\TestCase;
 
 /**
  * Unit tests for the Config class.
  */
-class ConfigTest extends \PHPUnit_Framework_TestCase
+class ConfigTest extends TestCase
 {
     /**
      * Config class instance.
diff --git a/tests/FrontControllerTest.php b/tests/FrontControllerTest.php
index d3bac34..c72ff60 100644
--- a/tests/FrontControllerTest.php
+++ b/tests/FrontControllerTest.php
@@ -9,6 +9,7 @@ use Alltube\Config;
 use Alltube\Controller\FrontController;
 use Alltube\LocaleManager;
 use Alltube\ViewFactory;
+use PHPUnit\Framework\TestCase;
 use Slim\Container;
 use Slim\Http\Environment;
 use Slim\Http\Request;
@@ -17,7 +18,7 @@ use Slim\Http\Response;
 /**
  * Unit tests for the FrontController class.
  */
-class FrontControllerTest extends \PHPUnit_Framework_TestCase
+class FrontControllerTest extends TestCase
 {
     /**
      * Slim dependency container.
diff --git a/tests/LocaleManagerTest.php b/tests/LocaleManagerTest.php
index 693346f..82916ff 100644
--- a/tests/LocaleManagerTest.php
+++ b/tests/LocaleManagerTest.php
@@ -7,11 +7,12 @@ namespace Alltube\Test;
 
 use Alltube\Locale;
 use Alltube\LocaleManager;
+use PHPUnit\Framework\TestCase;
 
 /**
  * Unit tests for the Config class.
  */
-class LocaleManagerTest extends \PHPUnit_Framework_TestCase
+class LocaleManagerTest extends TestCase
 {
     /**
      * LocaleManager class instance.
diff --git a/tests/LocaleMiddlewareTest.php b/tests/LocaleMiddlewareTest.php
index 86fdc9c..0f4e2ae 100644
--- a/tests/LocaleMiddlewareTest.php
+++ b/tests/LocaleMiddlewareTest.php
@@ -7,6 +7,7 @@ namespace Alltube\Test;
 
 use Alltube\LocaleManager;
 use Alltube\LocaleMiddleware;
+use PHPUnit\Framework\TestCase;
 use Slim\Container;
 use Slim\Http\Environment;
 use Slim\Http\Request;
@@ -15,7 +16,7 @@ use Slim\Http\Response;
 /**
  * Unit tests for the FrontController class.
  */
-class LocaleMiddlewareTest extends \PHPUnit_Framework_TestCase
+class LocaleMiddlewareTest extends TestCase
 {
     /**
      * LocaleMiddleware instance.
diff --git a/tests/LocaleTest.php b/tests/LocaleTest.php
index 9581248..96c19aa 100644
--- a/tests/LocaleTest.php
+++ b/tests/LocaleTest.php
@@ -6,11 +6,12 @@
 namespace Alltube\Test;
 
 use Alltube\Locale;
+use PHPUnit\Framework\TestCase;
 
 /**
  * Unit tests for the Config class.
  */
-class LocaleTest extends \PHPUnit_Framework_TestCase
+class LocaleTest extends TestCase
 {
     /**
      * Locale class instance.
diff --git a/tests/PlaylistArchiveStreamTest.php b/tests/PlaylistArchiveStreamTest.php
index 530b71e..c986416 100644
--- a/tests/PlaylistArchiveStreamTest.php
+++ b/tests/PlaylistArchiveStreamTest.php
@@ -6,11 +6,12 @@
 namespace Alltube\Test;
 
 use Alltube\PlaylistArchiveStream;
+use PHPUnit\Framework\TestCase;
 
 /**
  * Unit tests for the ViewFactory class.
  */
-class PlaylistArchiveStreamTest extends \PHPUnit_Framework_TestCase
+class PlaylistArchiveStreamTest extends TestCase
 {
     /**
      * PlaylistArchiveStream instance.
diff --git a/tests/UglyRouterTest.php b/tests/UglyRouterTest.php
index 4d21b3e..541b78d 100644
--- a/tests/UglyRouterTest.php
+++ b/tests/UglyRouterTest.php
@@ -6,13 +6,14 @@
 namespace Alltube\Test;
 
 use Alltube\UglyRouter;
+use PHPUnit\Framework\TestCase;
 use Slim\Http\Environment;
 use Slim\Http\Request;
 
 /**
  * Unit tests for the UglyRouter class.
  */
-class UglyRouterTest extends \PHPUnit_Framework_TestCase
+class UglyRouterTest extends TestCase
 {
     /**
      * UglyRouter instance.
diff --git a/tests/VideoDownloadTest.php b/tests/VideoDownloadTest.php
index ab3fa7d..68f6e51 100644
--- a/tests/VideoDownloadTest.php
+++ b/tests/VideoDownloadTest.php
@@ -7,11 +7,12 @@ namespace Alltube\Test;
 
 use Alltube\Config;
 use Alltube\VideoDownload;
+use PHPUnit\Framework\TestCase;
 
 /**
  * Unit tests for the VideoDownload class.
  */
-class VideoDownloadTest extends \PHPUnit_Framework_TestCase
+class VideoDownloadTest extends TestCase
 {
     /**
      * VideoDownload instance.
diff --git a/tests/ViewFactoryTest.php b/tests/ViewFactoryTest.php
index 552ed9f..285340f 100644
--- a/tests/ViewFactoryTest.php
+++ b/tests/ViewFactoryTest.php
@@ -6,6 +6,7 @@
 namespace Alltube\Test;
 
 use Alltube\ViewFactory;
+use PHPUnit\Framework\TestCase;
 use Slim\Container;
 use Slim\Http\Environment;
 use Slim\Http\Request;
@@ -14,7 +15,7 @@ use Slim\Views\Smarty;
 /**
  * Unit tests for the ViewFactory class.
  */
-class ViewFactoryTest extends \PHPUnit_Framework_TestCase
+class ViewFactoryTest extends TestCase
 {
     /**
      * Test the create() function.