#5 Incorrect error name

Use static:: constant accessors in ForbiddenHttpException

Author: jtheuerkauf

src/ForbiddenHttpException.php

@@ -40,8 +40,8 @@ public function __construct(
         Exception $previous = null
     ) {
         parent::__construct(
-            self::HTTP_CODE,
-            self::ERROR,
+            static::HTTP_CODE,
+            static::ERROR,
             $errorDescription,
             $errorData,
             $userTitle,