Berthold Stoeger 02d572226d Undo: implement undo of divemaster editing
This is mostly a trivial copy of the buddies code.

Signed-off-by: Berthold Stoeger <bstoeger@mail.tuwien.ac.at>
2019-04-12 18:19:07 +03:00
..
2017-04-29 13:32:55 -07:00
2017-04-29 13:32:55 -07:00