diff --git a/vendor/autoload.php b/vendor/autoload.php
index 1aa9c8fc..2ef54130 100644
--- a/vendor/autoload.php
+++ b/vendor/autoload.php
@@ -4,4 +4,4 @@
 
 require_once __DIR__ . '/composer/autoload_real.php';
 
-return ComposerAutoloaderInitf5461770929ddc52e12f48cb0981e736::getLoader();
+return ComposerAutoloaderInit4d8d1299e135d87da73df1fc4c94cd95::getLoader();
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/LICENSE b/vendor/composer/LICENSE
index f0157a6e..f27399a0 100644
--- a/vendor/composer/LICENSE
+++ b/vendor/composer/LICENSE
@@ -1,56 +1,21 @@
-Format: http://www.debian.org/doc/packaging-manuals/copyright-format/1.0/
-Upstream-Name: Composer
-Upstream-Contact: Jordi Boggiano <j.boggiano@seld.be>
-Source: https://github.com/composer/composer
 
-Files: *
-Copyright: 2016, Nils Adermann <naderman@naderman.de>
-           2016, Jordi Boggiano <j.boggiano@seld.be>
-License: Expat
+Copyright (c) Nils Adermann, Jordi Boggiano
 
-Files: src/Composer/Util/TlsHelper.php
-Copyright: 2016, Nils Adermann <naderman@naderman.de>
-           2016, Jordi Boggiano <j.boggiano@seld.be>
-           2013, Evan Coury <me@evancoury.com>
-License: Expat and BSD-2-Clause
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is furnished
+to do so, subject to the following conditions:
 
-License: BSD-2-Clause
- Redistribution and use in source and binary forms, with or without modification,
- are permitted provided that the following conditions are met:
- .
-     * Redistributions of source code must retain the above copyright notice,
-       this list of conditions and the following disclaimer.
- .
-     * Redistributions in binary form must reproduce the above copyright notice,
-       this list of conditions and the following disclaimer in the documentation
-       and/or other materials provided with the distribution.
- .
- THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
- ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
- WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
- DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR
- ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
- (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
- LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
- ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
- (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
- SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+The above copyright notice and this permission notice shall be included in all
+copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+THE SOFTWARE.
 
-License: Expat
- Permission is hereby granted, free of charge, to any person obtaining a copy
- of this software and associated documentation files (the "Software"), to deal
- in the Software without restriction, including without limitation the rights
- to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
- copies of the Software, and to permit persons to whom the Software is furnished
- to do so, subject to the following conditions:
- .
- The above copyright notice and this permission notice shall be included in all
- copies or substantial portions of the Software.
- .
- THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
- IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
- FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
- AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
- LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
- OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
- THE SOFTWARE.
diff --git a/vendor/composer/autoload_real.php b/vendor/composer/autoload_real.php
index 516b4ec6..ee103657 100644
--- a/vendor/composer/autoload_real.php
+++ b/vendor/composer/autoload_real.php
@@ -2,7 +2,7 @@
 
 // autoload_real.php @generated by Composer
 
-class ComposerAutoloaderInitf5461770929ddc52e12f48cb0981e736
+class ComposerAutoloaderInit4d8d1299e135d87da73df1fc4c94cd95
 {
     private static $loader;
 
@@ -19,15 +19,15 @@ class ComposerAutoloaderInitf5461770929ddc52e12f48cb0981e736
             return self::$loader;
         }
 
-        spl_autoload_register(array('ComposerAutoloaderInitf5461770929ddc52e12f48cb0981e736', 'loadClassLoader'), true, true);
+        spl_autoload_register(array('ComposerAutoloaderInit4d8d1299e135d87da73df1fc4c94cd95', 'loadClassLoader'), true, true);
         self::$loader = $loader = new \Composer\Autoload\ClassLoader();
-        spl_autoload_unregister(array('ComposerAutoloaderInitf5461770929ddc52e12f48cb0981e736', 'loadClassLoader'));
+        spl_autoload_unregister(array('ComposerAutoloaderInit4d8d1299e135d87da73df1fc4c94cd95', 'loadClassLoader'));
 
         $useStaticLoader = PHP_VERSION_ID >= 50600 && !defined('HHVM_VERSION') && (!function_exists('zend_loader_file_encoded') || !zend_loader_file_encoded());
         if ($useStaticLoader) {
             require_once __DIR__ . '/autoload_static.php';
 
-            call_user_func(\Composer\Autoload\ComposerStaticInitf5461770929ddc52e12f48cb0981e736::getInitializer($loader));
+            call_user_func(\Composer\Autoload\ComposerStaticInit4d8d1299e135d87da73df1fc4c94cd95::getInitializer($loader));
         } else {
             $map = require __DIR__ . '/autoload_namespaces.php';
             foreach ($map as $namespace => $path) {
@@ -48,19 +48,19 @@ class ComposerAutoloaderInitf5461770929ddc52e12f48cb0981e736
         $loader->register(true);
 
         if ($useStaticLoader) {
-            $includeFiles = Composer\Autoload\ComposerStaticInitf5461770929ddc52e12f48cb0981e736::$files;
+            $includeFiles = Composer\Autoload\ComposerStaticInit4d8d1299e135d87da73df1fc4c94cd95::$files;
         } else {
             $includeFiles = require __DIR__ . '/autoload_files.php';
         }
         foreach ($includeFiles as $fileIdentifier => $file) {
-            composerRequiref5461770929ddc52e12f48cb0981e736($fileIdentifier, $file);
+            composerRequire4d8d1299e135d87da73df1fc4c94cd95($fileIdentifier, $file);
         }
 
         return $loader;
     }
 }
 
-function composerRequiref5461770929ddc52e12f48cb0981e736($fileIdentifier, $file)
+function composerRequire4d8d1299e135d87da73df1fc4c94cd95($fileIdentifier, $file)
 {
     if (empty($GLOBALS['__composer_autoload_files'][$fileIdentifier])) {
         require $file;
diff --git a/vendor/composer/autoload_static.php b/vendor/composer/autoload_static.php
index 894c4cd3..4651f257 100644
--- a/vendor/composer/autoload_static.php
+++ b/vendor/composer/autoload_static.php
@@ -4,7 +4,7 @@
 
 namespace Composer\Autoload;
 
-class ComposerStaticInitf5461770929ddc52e12f48cb0981e736
+class ComposerStaticInit4d8d1299e135d87da73df1fc4c94cd95
 {
     public static $files = array (
         'eccc0347283a01e62f5536bcf76b6e62' => __DIR__ . '/..' . '/wikimedia/at-ease/src/Wikimedia/Functions.php',
@@ -463,10 +463,10 @@ class ComposerStaticInitf5461770929ddc52e12f48cb0981e736
     public static function getInitializer(ClassLoader $loader)
     {
         return \Closure::bind(function () use ($loader) {
-            $loader->prefixLengthsPsr4 = ComposerStaticInitf5461770929ddc52e12f48cb0981e736::$prefixLengthsPsr4;
-            $loader->prefixDirsPsr4 = ComposerStaticInitf5461770929ddc52e12f48cb0981e736::$prefixDirsPsr4;
-            $loader->prefixesPsr0 = ComposerStaticInitf5461770929ddc52e12f48cb0981e736::$prefixesPsr0;
-            $loader->classMap = ComposerStaticInitf5461770929ddc52e12f48cb0981e736::$classMap;
+            $loader->prefixLengthsPsr4 = ComposerStaticInit4d8d1299e135d87da73df1fc4c94cd95::$prefixLengthsPsr4;
+            $loader->prefixDirsPsr4 = ComposerStaticInit4d8d1299e135d87da73df1fc4c94cd95::$prefixDirsPsr4;
+            $loader->prefixesPsr0 = ComposerStaticInit4d8d1299e135d87da73df1fc4c94cd95::$prefixesPsr0;
+            $loader->classMap = ComposerStaticInit4d8d1299e135d87da73df1fc4c94cd95::$classMap;
 
         }, null, ClassLoader::class);
     }