Improve repl error handling
Remove multiple evals
Move debug to it's own file.
start on an eval trace
Add history file
tweak
Added some debugger commands and started on stepping
Back out deadend approach
Start on a different approach to the debugger repl
Mostly done. Now to hook in debug on error.
some sample code
Integration of debug on error
Debug on entry
Improved how debut on entry works
Fine tuning
oops