> I am doing this now, but the problem is that I have quite a few
> configuration parameters stored in global variables such as $bg_color
> that I would like to inspect and change.  However, since breakpoint is
> running in its own thread I can't seem to access these.

Sorry Florian, my initialisation order was wrong and I got confused.
It actually works.

Breakpoint is working superbly!

Cheers,
Navin.