GUI
- less ugly app icons
- what's this

FEATURES
- confirm save to same name after back and play
- PBEM
  - send answer directly?
- hints
- force move
- control random behaviour
- better swapping

SOURCE
- applyAnd: loop over _connMap and remove _connFanMap?
- use hard limits for thinking ahead?
- field <-> cell
- hexmatch QT dependency?
- conductance refactoring
- alternative conductance calc
- connector refactoring
- ksix cleanup
- GPL boiler plate text?
