Thanks!
And it was a big birthday party, I thought that was clear. *nod*
In case someone else has this problem (like I did), hit Force Recompile in your RenPy interface.
Ooh, I did not! That might be an interesting place to visit, even if these days I don't have the spare hours I invested into the original. Thanks for the tip!
Oh boy, there's a blast from the past. I wrote Upwarp, so being able to zip around the place again was very nostalgic. :3