Cartridge Version History
1.6 (10/2/2012)
final updated version....we think
1.5 (10/2/2012)
better still
1.4 (10/2/2012)
Some zones defined better, added some directions.
1.3 (9/28/2012)
1.2 (9/28/2012)
1.1 (9/28/2012)
1 (9/28/2012)
1.7 (10/21/2012)
A few quirks cleaned-up.