* [DOWNLOAD_LOD,FIX] Number of duplicate triples nonneg.
* [DOWNLOAD_LOD,FIX] HTTP request header properties stored without subject term.
* [LIST_EXT,SC] Superfluous module import.
* [RDF_SERIAL,FIX] Set graph name through option.
* [RDFS_LABEL_EXT,FIX] Weird bug in namespace escape.