- Authorization problem now sends 403 error as it should

meta/definitions/authorize.php

@@ -29,8 +29,8 @@ return [
         return function(array $errorData) {
             return HttpFactory::createJsonResponse($errorData + [
                 'api.error' => "Authorization failed",
-                'api.datetime' => (new \DateTime)->format(\DateTime::ATOM),
+                'api.datetime' => (new \DateTime)->format(\DateTime::ISO8601),
-            ], 401);
+            ], 403);
         };
     },