Okay, this is a lot of stuff.
1) Add uniqueid and deleted columns to stats table. Deleted not used for much though, uniqueid used for...
2) Make stats use ATF better. Can now track items that have been moved out of the collection and back in, and will associate UIDs with items already in the stats table during a
rescan.
3) Make in-line tag editing ATF-enabled.
4) Make the Tag Dialog ATF-enabled.
5) Fix some random ATF-related bugs.