--- a/client/data/simple-persist.js	Sun Jan 04 21:58:52 2015 +0100
+++ b/client/data/simple-persist.js	Sun Jan 04 22:41:27 2015 +0100
@@ -17,7 +17,9 @@
 
     if(req.method === "PUT" || req.method === "POST") {
       req.pipe(fs.createWriteStream(jsonFile));
-      res.end(JSON.stringify({result: "OK"}));
+      setTimeout(function () {
+    	  res.end(JSON.stringify({result: "OK"}));
+      }, 3000);
     }
     else {
       var params = require('url').parse(req.url),