Changelog:
* Faster SMB/USB browsing
* Last browsed folder is now remembered
* Fixed controller mapping reset button
* Fixed no sound on GameCube version
* Directory names are no longer altered
* Preferences now only saved on exit
* Fixed on-screen keyboard glitches
* SRAM auto-saved on power-off from within a game
* Prevent 7z lockups, better 7z error messages
* Increase cheats limit from 30 to 150
* Cheats no longer effect next game loaded - they are cleared properly