Niels Thykier 5d49a41204
Introduce a "Transaction" for changes to testing
This isolates the undo handling in the new transaction object and in
doop_source, which currently generates the undo items.  This commit
will be a stepping stone to rewriting the undo handling.

Signed-off-by: Niels Thykier <niels@thykier.net>
2018-12-16 19:58:02 +00:00
..