This should contain all the major changes.
For minor stuff, refer to the commit log of the repository.
+0.2.20110922_1:
+- Make client report a newer version number to the server than 2011-07-31 does and make server disallow old clients
+
0.2.20110922:
- Map is saved in an SQLite database file (by Queatz)
- Ladders (MarkTraceur)