gpsctl v0.9

Added --satellites option which configures satellites only (same as old --galileo option which is now deprecated)

Force minimum NMEA version of 4.1 if Galileo satellites are enabled

gpsctl v0.8a

Added full config file support

gpsctl v0.7a

Support for an /etc/gpsctl.conf file which defines serial port, nmea version, and satellite info.

gpsctl v0.6

Tweaks to meet my own needs, and hopefully yours too