I remember finding one in another's mod (Better Cities I think) that turned out to be nothing more than one line using a single slash (/) instead of a double (//)
Thanks for posting the BAIN file Metallicow, for those who have version 1.1 or 1.2 and don't want to download the whole thing again
There are no changes since the initial release by the way, so if you have a Wizard in your file then you are all good.