Serial bug

[ryanteck]

Serial library needs re- bundling with it instead of using host lib

[whaleygeek]

Make sure you leave the original LICENCE.txt in the serial folder in the bundled version, and that you leave a note in your top level licence that this bundling is done, as the licences while compatible need to be clearly marked.

The serial is bundled for convenience in deployment, I checked the pyserial licence when I embedded it upstream in the original code and it was fine to do it this way. The additional statement in the top level licence is important to keep though, otherwise you could be misunderstood as narrowing or shifting the obligations of the licence.