Merge pull request #340 from kouts/patch-1

Halt method should clear response before sending.

flight/Engine.php

@@ -364,6 +364,7 @@ class Engine {
      */
     public function _halt($code = 200, $message = '') {
         $this->response()
+            ->clear()
             ->status($code)
             ->write($message)
             ->send();