Add first version of triple buffered object
Add first transport tests
Add some validation for invalid router destinations
Support for other links sending to master
First link sending to master
Add master send to specific destinations
Add complete master broadcast test
Hide the byte stuffer state inside it
Use memcpy instead of cast to avoid alignment issues
Rename route_frame to route_incoming_frame
Rename recv_frame to validator_recv_frame
Add crc32 validation of received frames
Start implement frame validator
Add some full round trip tests
Mostly to ensure that the receive and send framing works the same
way. Especially for the special case with 254 non-zeros.
Add byte stuffing send support for large frames
Fix name of some unit tests
Hanlde sending of zero bytes for small packets