Merge pull request #6 from Crowdhandler/fd-85469-no-cache-header

Added cache-control header

Author: carl-wells-crowdhandler

src/GateKeeper.php

@@ -182,6 +182,7 @@ public function redirectIfNotPromoted()
                 $this->debug($this->redirectUrl);
             } else
             {
+                header("Cache-Control: no-store, no-cache, must-revalidate, max-age=0");
                 header('location: '.$this->redirectUrl, true, self::HTTP_REDIRECT_CODE);
                 exit;
             }