Fixed a bug where we couldnt print obo files because the string for idsapce returned none since we werent returning the actual output value and python defaults to None, this resulted in trying to sort Nones as if they were strings (bad things).
Fixed a bug where we couldnt print obo files because the string for idsapce returned none since we werent returning the actual output value and python defaults to None, this resulted in trying to sort Nones as if they were strings (bad things).

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