Nathanael's Debug Tools by Nathanael Nerode
This is just a repository for ebugging code which I found I was copy-pasting between different work-in-progress games. This is released in case it might help someone else.
This eliminates the "Are you sure?" question when quitting; useful to speed up the command-line test/edit cycle.
Tracing startup rules is important when you need it, and requires a lot of code to set up (included here) but rather annoying most of the time. It's enabled with
Use startup rules tracing