RDFa Parsing: added the rdfa:Pattern and rdfa:copy feature, as described in the last call of HTML5+RDFa
Merge branch 'master' of https://github.com/RDFLib/rdflib
Add branch specs to .travis.yaml
Add test for issue 248, GCraph.serialize() + base kwarg
py3 compat: Open file as binary when serializing
fix py3-incompat in test code.
Merge pull request #249 from uholzer/bug-serialize

Serializing to a file fails in Python 3 --- good catch! Thank you.
Merge remote-tracking branch 'origin/master'
Add test for issue 250. Add fix.
Don't include *.pyc files in source/binary distributions.

This is almost always wrong, you only want to distribute source code,
not Interpreter-dependant binary code. As an example, using the current
tarballs hosted on PyPI will break with Python-2.6 due to non-matching
magic number of the *.pyc files.
Merge pull request #251 from saschpe/master

Don't include *.pyc files in source/binary distributions.
Extend sdist exclusions to cover the usual suspects.
PyRdfa: Aligned with the LC version of HTML5+RDFa, passes all the current (updated) tests.
Merge branch 'master' of https://github.com/RDFLib/rdflib
pyRdfa parser: the name of a warning class was wrong...
Fix inconsistent use of tabs and spaces in indentation causing TabError under Python 3
Conform to PEP8
exclude pypyfrom ci (at least temporarily).
merge from master
travising