V3.0 : 26/11/2008
* Fix a stupid bug about key redefinition (the new one couldn't be assign)
* New interface with tab (thanks zeblackos ;) )
* Add alpha lerp for a better screen rendering
* Add list management for download play (a lots of games are now available)
* Change EI_delay for each instruction (slower but more compatible, Tetris can be
play again now)
* A little faster (screen rendering optimization)
* DS Sleep mode management (a closed lid pauses AmeDS execution)
* Improve keyboard management with stylus