+mouse horizontal wheel
+ http://www.microchip.com/forums/tm.aspx?high=&m=391435&mpage=1#391521
+ http://www.keil.com/forum/15671/
+ http://www.microsoft.com/whdc/device/input/wheel.mspx
+ 2010/10/13
+debug on/off
+ Fn key conbination during normal operation
+ matrix print on/off
+ key print on/off
+ mouse print on/off
+ 2010/10/26
+layer switching
+ time before switching
+ timeout when not used during specific time
+ 2010/10/30