Witty Pi 5 Software v5.1.1

This version enables the schedule script management (via I2C) features, and allows downloading WittyPi5.log file to Raspberry Pi (via I2C).
New features needs firmware 1.2.1 or above to work.

Witty Pi 5 Software v5.0.0

Witty Pi 5 Softwere v5.0.0 is released together with Witty Pi 5 HAT+.