Undo list is modified for every repetition of a macro

First-off: Great plugin! Auto-saving is a revelation.

I've run into a minor annoyance: Let's say I record a macro with qqAhello<Esc>q. Then, I run the macro 22 times with 22@q.

Normally (with auto-save disabled), running the macro 22 times as I did is counted as one change. So I can undo all of it with a single u.

With auto-save enabled, each of the 22 runs is counted as a separate change. I would have to press u 22 times or 22u to get back to where I was.

Not sure what the best way to deal with this is or if it should even be dealt with. Just want to bring it to your attention.

@Asheq Thank you for your report! Unfortunately I see no way of fixing it :(