2.1

===

- warn instead of error if FMC zpkg installed but no FMC detected #31
- Support signed absolute encoders less than 32-bits #29
- Fix SEQ to do nothing on blank table #42
- Fix SEQ to work with a 1 tick PHASE2 #45
- Fix PCOMP RELATIVE to work with START=0 #44
- Add support for absolute gray encoded encoders #39
- no-fmc firmware has panda-sync in SFP2 and SFP3