TODO entries for 1.0

- Add support for uploading proximity waypoints.

- Test programs

- Datum support

- Simulator mode


TODO entries for 2.0

- Upload maps to garmin, what is the protocol for them.

- Support for other baud rates, is there a protocol to negotiate them? 

- Is there a method to remove waypoints/routes/trackrecords from the gps? 

- Is there a method to set the active waypoint/route to the gps from
the host?

