python driver:
version: v1.8.0		date：2020-07-23
update:
1、Add 'rD' command to restore OpenRTK330 default configuration.
	User can find 'RESTORE DEFAULTS' button in OpenRTK->SETTINGS.
2、Add 'gB' command to get configuration according to range of parameterID.
3、Support update GNSS_RTK_SDK in App Center.


version: v2.1.5		date：2020-08-11
update:
1、support download combined GNSS_RTK_SDK and INS_APP Firmware
2、display python driver version
3、remove upgrade file when upgrade firmware

version: v2.1.6		date：2020-08-19
update:
1、modify some print
2、modify INS json: suitable for INS_APP v2.0.0

version: v2.1.7		date：2020-08-26
update:
1、improved ping OpenRTK devices
2、print 'NMEA' and #INSPVA

version: v2.1.8		date：2020-11-9
update:
1、important update for INS App v23.00, can't suitable for v2.0.0 or v20.00
2、modify user data packets
3、log base rtcm data on debug port