Added support to pause and resume
- SAMD51 support by Lutz Aumüller.
- Added support to pause and resume and
DISABLE_PAUSE_RESUME
. - Fixed some bugs for PCA9685 expander introduced in 3.0.0.
- Feather Huzzah support with the help of Danner Claflin.
- Added
ENABLE_EXTERNAL_SERVO_TIMER_HANDLER
macro.