ntriples handling of utf-8 files, fixes #400
ntriples handling of utf-8 files, fixes #400

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