[dataimport] remove replace_sep parameter from massive store It is unused since changeset efbbf1e93a04 "[dataimport] Properly escape strings sent to COPY FROM"

Pygments
#fyzz XXX pip install fails
cubicweb-card
cubicweb-file
cubicweb-localperms
cubicweb-tag
git+git://github.com/logilab/yapps@master#egg=yapps