fix for http://rdflib.net/issues/2006/12/07/problems_with_graph.seq()_when_sequences_contain_more_than_9_items./issue
fix for http://rdflib.net/issues/2006/12/07/problems_with_graph.seq()_when_sequences_contain_more_than_9_items./issue

git-svn-id: 60eb48102d1ca0c284ab3654bef916b01e1b221b@927 4f84a9ca-5c3e-0410-8a68-0bdf370325d5

nwebs/rdflib