Somehow your geocache file got corrupted. I'm wondering if you had a corrupted local .xml file and it got uploaded? I deleted and recreated the cache file and it appears to be working properly.
There was also an odd spacing issue where there may have been tabs or double spaces not being interpreted properly. I added code to remove the spaces when doing comparisons which could have also helped.
The good news is that it is working now and we will get the spaces issue fixed in the next build.