Fix bugs in my Pirates Facebook app, make standalone website with FB Connect logintware

My app [login to view URL] has some bugs. It was developed awhile ago. Maybe you can play through it and identify them. Please propose what you'd do to make the app usable again. I'd like you to work on fixing the bugs, adding Facebook sharing features to get the app to grow virally again, and also make a stand alone site where the user could login with FB Connect to play. RIght now it's an iframe, so I added a link to play externally outside of Facebook, but I'm not sure of the security of this, or what happens when the user hasn't played before. I use svn for version control. Please be familiar with SVN. As well as Facebook SDK, PHP, and MySQL. Some examples of bugs are the item exchange isn't working. The pet races aren't working. The gambling page isn't working. There is no Facebook sharing when a user levels up. Please be familiar with the Facebook SDK for PHP.