More I2C-Operations and better CLI
Changes in this release:
- Fix a bug where only the first Keyboard attached to I2C would work correctly (#9).
- Enable I2C operation without CAN attached (#5).
- Enable STOP/GO lines on the I2C connector.
- Completely reworked the CLI implementation.
- added Unit Test framework for RoutingTask.
- Reworked RoutingTask Architecture.
- Initial steps towards engine control forwarding between CAN and LocoNet.
- Added Reference to User Manual.