Not working and removed:
- AccelStepper: Move to FastAccelStepper for ESP32
- Servo: Changed to ESP32 - check if that is ok
- Serial Comm Interface now at 115200 -> change back to 9600 later
imported some improvements from user "bartebor"
- fixed some timing issues
- added button-support via #ifdefine
- worked on penarm-shaking-bug
- restructured some codesegments
- motors toggle button: allows for manual adjustments and silences motors
- pen toggle button: pen up and down positions are stored in EEPROM
- SMQB command: allows faster and smoother operation with custom version of eggbot extension (bartebor/eggbot_extensions)
- PRG button fix
complete rework of Move-Algorithm, no position errors any more, complete
in integer math //it was the hell to debug it... ;-)
optimized timing of Ack-Answer
added command QP "Query Pen", untested, answer might be wrong 0 <--> 1?
optimized Init-String for EBBv13
optimized some variable types to enhance memory performance
changed enablePenMotor to 6 by default to match it to Spherebot
Electronics
changed default maxSpeeds from 1000 to 2000;
