more extensive logging, use hex addr for objects
some logging improvements
Merge remote-tracking branch 'upstream/ArduinoDue' into ArduinoDue

Conflicts:
	GEVCU.ino
Logger supports device type as parameters

Logger methods may now be called with a DeviceType parameter
to indicate the source of logging and allow the later addition of
device specific log levels.
First working version of BrusaMotorController !
Merge remote-tracking branch 'upstream/ArduinoDue' into ArduinoDue
Merge pull request #28 from neuweiler/ArduinoDue

Brusa Motor Controller working + Logging improvements