Jeremy Bowman - 2023-11-12

Good catch, it looks like I missed checking that a click on the header row actually maps to a valid column; clicking in the empty space after the last column still triggers the pressed and clicked events, but with an invalid column index. That should be a fairly straightforward fix, I'll try to use it as an excuse to finally make a new release sometime by the end of the year. (It's unfortunately a nontrivial process as I need to renew expired code signing certificates, etc.)