fixed addition 00 in Terminal.
cleanup
fixed read temperature.
added status messages while waiting for Heater to heat up.
requesting a temperature from a missing sensor will report 0.0 degrees.
(not really an error)
added logging.
add the Temperature Sensor to the Heater.
cleanup
set Temperature working. (Tested with Ultimaker and Minnow in PID mode)
corrected JavaDoc.
Fans can now also be at the Extruder. The Extruder fan will be turned on
and off automatically.
Outputs can be used as Fans (Hotend,..) Not tested !
added M119
Updates to make input switch state triggered/not triggered

Also added Device Unavailable reply code, disabled device status, remove
endstop level configuration and added a device type description.
first try of implementation of movement. (not tested !)

-Homing second move to end stop missing
-Toolhead change missing
fixed Max Stepper configuration.
small fixes
small fixes
more logging and small fixes.
it moves !