RDFLib/rdflib — pull request #368 by dbs (2014-03-03 14:14:05+00:00)
Title: Make SPARQLWrapper an extra_requires for now

Per discussion in https://github.com/RDFLib/rdflib/pull/359
make SPARQLWrapper an extra_requires for the 4.1 release
series, enabling distribution packagers to upgrade to 4.1
for core RDFLib functionality while creating the required
SPARQLWrapper package for 4.2.

Signed-off-by: Dan Scott