Closes #26

this will not close #26 since it's not an edit in the default branch.
Now it does close #26 because we have the hook

Even if it's a commit that's not in the default branch.
Closes #39

Even if not on the default branch
Fixes #38 too please!!!
Test unassign of auto-close
Of course, should have closes #56 keyword ;)
Fixes #57
Merge pull request #58 from kzu/SomeBranch

Some branch