Allow unsetting the namespace.
Allow unsetting the namespace.

Acidburn0zzz/rugged,saraid/rugged,libgit2/rugged,libgit2/rugged,tpickett66/rugged,saraid/rugged,tpickett66/rugged,tpickett66/rugged,libgit2/rugged,Acidburn0zzz/rugged,Acidburn0zzz/rugged,saraid/rugged