move teacup; use keywords; ad TODO for order issue; test scopes
check lists, lcons-lists, and vectors
firsto works on lists, lcons-lists, and vectors
But, must use lcons if doing internal associations
more "must use lcons"
richer commentary
don't know how to make pairs; vectors still work on output
resto works
fix nasty hidden bug

This was a spurious success, revealed only by correcting indentation
via paredit!
fix another nasty bug, revealed when restarting nrepl

either nrepl or I or both got confused and it seemed to be passing
tests when they should have failed
fix terrible bugs arrising from use of == in (test/is ...)

This mistake makes tests look like they're passing when they're not