v1.33.46 : PDI control support

• Now supports PDI control using "AVR64DU32 CURIOSITY NANO".
• Now supports HV control based on the dedicated board design plan MZU2410A2.
• Fixed a typo in the default VID:PID.
• Compatibility with AVRDUDE 8.0 confirmed.
• Documentation changed to support PDI.
• Many other optimizations.

v1.32.44

v1.32.44: Fix for CLEAR_FEATURE request #6