SCM v0.69b changes:
- Improved DCD reaction on the AX.25 flags and zeros stream.
- Changed default filters settings for the modems.
- Added KISS TCP-Server
- Added KISS Optimization
- Added transcription of NETROM and IP traffic in the monitor window.
- Added some changes in L2 protocol.
- Added IPOLL frames.
- Fixed some inessential errors.
- Fixed waterfall bug under Linux (WINE).