jump-to-debugger (like Python's pdb.set_trace)

[Matt Wette]

Hi All,

I've put my "jump to debugger" code on github:
https://github.com/mwette/guile-jtd

jump-to-debugger is a procedure that, when called,
stops execution and fires up a REPL.  It is much like
Python's pdb.set_trace() function.

Matt