Restore __eq__ and __ne__ methods to Resource.
Restore __eq__ and __ne__ methods to Resource.

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