Update config.php

Author: mpociot

config/config.php

@@ -4,5 +4,5 @@
     /*
      * The host to use when listening for debug server connections.
      */
-    'host' => 'tcp://0.0.0.0:9912'
-];
+    'host' => 'tcp://127.0.0.1:9912'
+];