2016/11/10
	Support get UID command:FF CA 00 00 00
	Support get ATS command:FF CA 01 00 00
	Support get SAK command:FF CA 02 00 00
	Support get ATQA command:FF CA 03 00 00
	Support communication speed to 424kbps
	The new firmware support libfreeare library, the source code please check https://github.com/FeitianSmartcardReader/libfreefare-pcsc
2016/9/18
	Add latest R502B firmware into SDK. 
	The new R502B has better compatible with PCSC standard, and support Feitian NFC OTP
