Upper Deck: Go and main handle interrupts.
modes: added documentation for go classes.
modes: wrote GoScoot and GoRotate classes.
messenger: wrote DebugSerialPort for mock testing.
modes: wrote doc tests for GoScoot and fixed bugs.
mode: doctested and fixed GoScoot.
modes.GoScoot: should be passing 2nd param to Ard.
messenger: needs to cast to a string.
modes: created pathfinder class.
Makefile: now doctests and runs.
modes: working on pathfinding. Not even drafted.
ld: brought in unit testing.
testld: added digitalWrite function.
ld: fixed compile errors.
ld: merged in max's code.
testld: added new services.
ld: merged in matt's and wicke's code.
testld: added extra functionality.
ld: merge in wicke's code.