Fixed bug in address book for cancelled cheques.
Assorted other fixes.

Signed-off-by: FellowTraveler <F3llowTraveler@gmail.com>
Added "main menu" for knotwork and pigeons.

Signed-off-by: FellowTraveler <F3llowTraveler@gmail.com>
Merge pull request #53 from FellowTraveler/master

Added "main menu" for knotwork and pigeons. Also fixed assorted bugs.