Apply fixes from StyleCI

Author: StyleCIBot

src/Application.php

@@ -107,7 +107,12 @@ public function unserialize($serialized)
 
         $this->__construct($id, $secret);
     }
-    
-    public function __serialize() {}
-	public function __unserialize(array $data) {}
+
+    public function __serialize()
+    {
+    }
+
+    public function __unserialize(array $data)
+    {
+    }
 }

src/Exception/ResponseException.php

@@ -82,7 +82,7 @@ public static function create(Response $response)
                 case 464:
                 case 467:
                     return new static($response, new AuthenticationException($message, $code));
-                // Video upload resumable error
+                    // Video upload resumable error
                 case 1363030:
                 case 1363019:
                 case 1363037:
@@ -100,20 +100,20 @@ public static function create(Response $response)
             case 190:
                 return new static($response, new AuthenticationException($message, $code));
 
-            // Server issue, possible downtime
+                // Server issue, possible downtime
             case 1:
             case 2:
                 return new static($response, new ServerException($message, $code));
 
-            // API Throttling
+                // API Throttling
             case 4:
             case 17:
             case 32:
             case 341:
             case 613:
                 return new static($response, new ThrottleException($message, $code));
 
-            // Duplicate Post
+                // Duplicate Post
             case 506:
                 return new static($response, new ClientException($message, $code));
         }

src/FileUpload/Mimetypes.php

@@ -948,6 +948,7 @@ class Mimetypes
      * Get a singleton instance of the class.
      *
      * @return self
+     *
      * @codeCoverageIgnore
      */
     public static function getInstance()