- tested on J1939DA_201311.xls, J1939DA_201611.xls, J1939DA_201910.xls, and J1939DA_DEC2020.xls
- fixed incorrectly dropping almost all multi byte SPNs thank you @s5y3XZpGvQPApqR
- can read from stdin with '-' argument now
- expands source addresses in DAs
- support for non-contiguous SPNs (thanks @j4l)
- can describe SPNs in transport layer in real-time (as their bytes are received) (thanks @j4l)
- correctly reassembles RTS-CTS transport sessions as well (thanks @j4l)
- can specify J1939 JSON db on command line (thanks @j4l)
- default to describing transport PGNs as first-class PGN
- default to omitting description of incomplete frames