allow button debugging on a per-controller basis.
add brake/changelane button function, I think
decrease max throttle value, eez dangerous at 100
add code to allow alteration of pulse_multiplier, and hence make it h…
added random change lane
add code to toggle controller-from-serial or controller-from-pin
stablised code somewhat, now for adding changelane and brake
added code to handle normally-closed devices (my bike computer). Also…
… some noddy debounce handling. Working to a degree, suboptimal atm
woo! multi-controller button code now working.
oops lazy commit
add basic button code