fix bind with NULLs
rename template to qq (quasiquote)

Conflicts:
	DESCRIPTION
update documentation/exports
move quasiquote to its own file
Quasiquote sequences
quasiquote performance test
Factor out cache and qq from macro
start on macro-quasiquote
object caching (not working well)
Getting further on quasiquotation
Golly but this is mindbending
zalgo he comes
macro quasiquote does functions
may rip out some of this implementation...
Rip out unnecessary multiple-arg-unquoting
quasiquote internals
Faster quasiquote now plugged in
Fast quasiquote plugged into qe, qqply, qeply