Reconfigures search results to display results based off of category of posts.
The support appears to be abandoned, others have reported the same problem. Don't waste your time if you need to exclude categories.
Installed this as it was exactly what I was after. But having struggled to update to work with 3.4.2 I gave up. There are too many little errors to make it usable. Started trying to fix them, but solving one only highlighted another.