GIB. Added some breakpoint GIB builtins for debugging script/intepreter
interactions. Made carne work properly again (local variables don't
disappear in interactive mode)
changes. There still remains some bugs to be squashed, a feature or two to
add, and some polishing to be done. However, it seems to be in a workable
state.
to prevent conflicts with math expressions. All clients and servers are set
to create buffers with the normal parser. However, scripts ending in .gib
are now executed in a GIB buffer, and the export command can be used to
make specific GIB functions available to normal command buffers (i.e. the
console).
