v0.10:
        Changed file format (longer descrition and name)
        Added ability to delete waypoints (Magellan)
        Improved serial communications functions

v0.05:
	Fixed NMEA precision bug in Latitude / Longitude (GLL)
	Removed "TMP = "  output from waypoint upload
	Fixed loss of fraction of minutes in latitude on upload
	Added support for heading and speed (NMEA)
	Added support for heading and range to waypoint (NMEA)

v0.01:
	First public release
	NMEA current latitude and longitude
	Magellan waypoint upload / download

