Big commit for new machine
Parse pattern directly into array
Use rotating buffer for calibration check
Fix Pattern command
Fix calibrate function (no idea why it works now)
Debounce photo sensors
Arduino firmware for
Superba/Singer 624/9000/MemoII:  Knitty_Superba.ino
Passap/Pfaff E6000: Knitty_Passap.ino