initial commit
	rfid.py : card communication interface featurind
	Block read/write
	Value init/read/increment/decrement
	Raw command send
	added vcs module, contains
	clear - clears screen
	write(x,y,string) - writes string in specified position
	added event listener and some changes in vcs module
	vcs
	20130613
	12:02
	final commit!
	final commit
Merge branch 'master' of https://github.com/FredJeong/SNUSWA