- add GameConnections to separate custom logic from game logic
 - make custom logic classes not static
 - improve namespace structure

- Next step: optionally disable constructions on weekends

- depends on the location latitude
- depends on the current date (e.g. the days are longer in summer)

- On exception, the already performed redirections will be reverted

 - synchronize day/night time with the simulation time
 - change the time bar display format
 - add the time bar tool tip containing the game date