Martypy

**What changed**
* Added whoAmI argument on the specific_LED function so we can differentiate between different LED mappings based on the board whoAmI

Refreshing outdated functionality (e.g., led api)

Martypy should now recognise batch 4 USB serial ports

Added more methods in MV2 client to make martypy more similar to MartyBlocks

Added 'packaging' as a dependency