collapsed do_commands handle_cast call to one call, and create three private functions to walk to the list.
collapsed do_commands handle_cast call to one call, and create three private functions
to walk to the list.

This should make it easier to test those functions I created thus making it possible to test the functions that parse the higher level commands and test for correctness withoutcause side effects or needing to create a virutal serial port.

matthewphilyaw/roombex