mishbieg

This brings in the latest librevpi-dio-java 0.2.0 which has support for accessing the Revpi hardware beyond boolean values. Further, the existing Revpi Digital IO Implementation is moved into a subfolder...

This change adds the SML Serial Bridge to add support for common Smart Meters. It is not ready for general review. I upload this because I'm stuck with resolving dependencies....

Running in cmd with Windows 10 and Python 3.8 results in the following error: ```shell puncover --elf-file parsing ELF at enhancing function sizes deriving folders enhancing file elements enhancing assembly...