remove dependency on lexfn
got workbook sort-of working
working on getting workbook working again.
namespace fixes
working on getting quiz working again
-remove unneeded np-obj and np-subj
-fix optional param 'with'
import a few useful things from .unify and define (nounphrase)
add presentation
add description
remove gen17
debugging evaluation initialization problems in sandbox
working on getting workbook working again
working on sandbox-compatible generate
more on getting generation working in the sandbox again
working on generate
working on making gen-all work in sandbox
working on factoring apart gen-all.
more refactoring
re-add unused param to workbookq for now
re-enable restrictions on sandbox activity now that workbook is working again