Fix baseUrl handling, test example 16 working.
Fix baseUrl handling, test example 16 working.

Ignore-this: 5d7c13cacf0f10541f149aa77634c0ba

darcs-hash:20110131184607-1786f-1efcb64373c5de142934839f146427a874653d77.gz

amccausl/RDF4H