Your bot seems to be retweeting correctly.
Note, Bronze accounts only check their Twitter status once per day on our main server. Gold and Platinum will check more often.
We also have a dedicated Twitterbot server at,
It is recommended to create Twitterbots their. That server continuous cycles through the bots, so free accounts check their status once per ~2 hours, Bronze every 1/2 hours, and Gold every 15 minutes.