Updated docs and VERSION for 2.911_01 beta release.
Fixed typo in Makefile.PL.
Updated docs and VERSION for 2.912 release.
Merge branch 'master' into rdf-query-2.912
Merge branch 'rdf-query-2.912' into release-rdf-query
Merge tag 'rdf-query-2.912'

RDF::Query 2.912.