Release 6.4
- Python2 reference removal cleanup
- RTLSDR v4 support
- Moved PlutoSDR from core device install to optional
- GNUradio cleanup (3.9.80 for RPi, 3.10.7 for x86-64)
- Block JS8 install if WSJTX installed due to library conflicts
- SDRangel 7.15.4 Update (Desktop and Server)
- FLdigi 4.1.27 update
- FLrig 2.0.03 update
- Add ZeroTier network package as CMDline install