Credits are not removed unless the thread / post?

[Jeremy]

For your concern about the edit: It does use negation when editing, but it also uses the normal earning. So if both are the same, they cancel out and have no effect when editing a post.

 

[Darkwaltz4]

The fixes to those are in the 2.0.0 version (you can upgrade to the 2.0.0 lite version)...