BNodes are now used exlusively (instead of PatternBNode - which should be deprecated), ParsedCollections and RDFTerms are now properly 'unrolled' 
BNodes are now used exlusively (instead of PatternBNode - which should be deprecated), ParsedCollections and RDFTerms are now properly 'unrolled' 

git-svn-id: 60eb48102d1ca0c284ab3654bef916b01e1b221b@834 4f84a9ca-5c3e-0410-8a68-0bdf370325d5

nwebs/rdflib