Remove skipping test of deleted graphutils code, remove pydot from tox.ini
May 17th release of html5lib 1.0b1 add Py3-compatibility, so use official release. html5lib 1.0b1 also removes support for Python 2.5, so pin Py2.5. to use html5lib==0.95. Propagation of dependency change.
Use special URI for sys.stdin in parser.create_input_source. Fixes #285
add rdflib.tools package to setup.py
change protocol, remove ssl requirement.
moved uri validation to serialisation time - in compute_qname and n3 method. Validating all URIs on creation time was creating too many problems. Related #288, #285, #287, #279, #266
Merge branch 'master' of github.com:RDFLib/rdflib
s/itervalues/values/ in new iomemory store, fixes #286
make rdfxml parser not call URIRef(None), fixes #288
added note that URIRefs.__add__ now returns URIRefs, re: #287
release 4.0.1
back to dev version
Update CHANGELOG.md