Added service module.
Bug fixes.
Refactored LED cycling.
Some refactoring, and implementation of the trap read.
Implementation and cleanup of execute function, and a number of other cleanup items.
Added teardown() function, fixed a variety of syntax errors.
Gracefully shutdown on CTRL-C.
Moved process listener from service to command line script.
Added mail service. This commit is untested. Fixes are likely.
Syntax errors.
Updated command line usage.