added test for http://rdflib.net/issues/2006/11/23/n3_parser:_trying_to_get_filename+extension_in_path/issue
added test for http://rdflib.net/issues/2006/11/23/n3_parser:_trying_to_get_filename+extension_in_path/issue

avorio/rdflib,armandobs14/rdflib,ssssam/rdflib,marma/rdflib,RDFLib/rdflib,yingerj/rdflib,marma/rdflib,RDFLib/rdflib,dbs/rdflib,RDFLib/rdflib,dbs/rdflib,yingerj/rdflib,marma/rdflib,dbs/rdflib,armandobs14/rdflib,ssssam/rdflib,RDFLib/rdflib,armandobs14/rdflib,ssssam/rdflib,avorio/rdflib,yingerj/rdflib,yingerj/rdflib,avorio/rdflib,ssssam/rdflib,avorio/rdflib,marma/rdflib,armandobs14/rdflib,dbs/rdflib