made QueryResult deal with a generator as bindings
made QueryResult deal with a generator as bindings

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