scigraph.py closes https://github.com/tgbugs/pyontutils/issues/1
scigraph.py closes https://github.com/tgbugs/pyontutils/issues/1

Replaced 'true' -> True 'false' -> False in kwargs. Don't need to
convert back since True and False work fine when passed to REST
params.

tgbugs/pyontutils,tgbugs/pyontutils,tgbugs/pyontutils,tgbugs/pyontutils