Ver 0.01.6
	- 26 bytes smaller that previos release.
	- Some keyboard bug fixed.
	- Now prints green 0's and 1's instead of gray A's and B's.
Ver 0.01.5
	- Programed PIT before PIC, this seemed to solve a crash on some PCs.
	- Code produces a 360kb fdd image as VM-ware EMU crashed with 512b images.
	- Re-wrote PIT code to work with the 8253 & 8254 instead of just 8254s.
	- Removed seprate EBP backup during task switch. 
Ver 0.01
	- Programs the PIT at 100Hz (instead of BIOS default).
	- Added screen text 'scrolling'.
	- Now uses 80*50 text mode instead of BIOS default (80*25).
Ver 0.00
	- first demo release. Contains some buggy task switching.
