Hamcc

Allow reset of optional infos

Bugfixes
- Fixed decimals for frequency

- Just warn on wrong callsign format
- Removed irritatiing letters from console display

Bug fixes:
- Fixed missing repacement of underscore for QTH

- Allow non number for exchange (contest, etc)
- Generalised contest as event
- Added xOTA to event mode

Bugfixes
- Set own locator with QTH
- Fixed regex for RST
- Fixed own call to upper case

- New interface design
- Loading of stored QSOs at startup for editing
- Added logging

Bug fixes:
- Update QSOs in worked before to last date/time

- Added comandline arguments for contest
- Option to give QTH with locator
- Enabled backspace
- Initialise session with old QSO data
- Worked before check

Bug fixes
- Fixed bugs in markup evaluation
- Fixed regex for RST and date
- Fixed evaluation of numbers
- Convert frequency for ADIF to MHz