Rename MachineEvent to Connector.Event.
Implement loading of patterns to the arduino.
Change interface to the Brother to be more extensible.
Pattern loading in the connector improved.
Implement BrotherPatternManager actor to handle pattern loading.
Add TODO for sleeping.
Extend simulator to confirm pattern loading.
Add NeedlePatternKnitter.
NeedlePattern with better toString.
Serial simulator displays pattern confirmations.
Forward NeedlePatternRowChanged messages.