Fix some php doc

app/Console/ResetTwoFactorCommand.php

@@ -23,16 +23,14 @@ class ResetTwoFactorCommand extends BaseCommand
 
         if (empty($userId)) {
             $output->writeln('<error>User not found</error>');
-            return false;
+            return 1;
         }
 
         if (!$this->userModel->update(array('id' => $userId, 'twofactor_activated' => 0, 'twofactor_secret' => ''))) {
             $output->writeln('<error>Unable to update user profile</error>');
-            return false;
+            return 1;
         }
 
         $output->writeln('<info>Two-factor authentication disabled</info>');
-
-        return true;
     }
 }

app/Core/Cache/CacheInterface.php

@@ -15,7 +15,7 @@ interface CacheInterface
      *
      * @access public
      * @param  string  $key
-     * @param  string  $value
+     * @param  mixed   $value
      */
     public function set($key, $value);
 

app/Core/Cache/FileCache.php

@@ -17,7 +17,7 @@ class FileCache extends BaseCache
      *
      * @access public
      * @param  string $key
-     * @param  string $value
+     * @param  mixed  $value
      */
     public function set($key, $value)
     {