v1.00 10/27/2015 - Initial version, ported from FOCE SensorNode
12/15/2015 - Conditional compiles for Expander, Daughter Board, DB Debug mode
03/22/2016 - Working on ModBus over SPI
03/23/2016, rah - First CVS checkin.  Tested on both DB and Expander
05/03/2016, rah - Moved to oasis5/src


