Namespace handling tweaks, using split_uri from rdflib.namespace instead of basic string split on #, and now checking if namespace is CATEGORY_NAMESPACE in config.
84340fda16f7f371b505171f9ed84bff87c735c5 dev/modules/apt
708def1aeb23b8dcccc163c6e7866e2b60476655 dev/modules/concat
77283979b41ab5ee0a2fce4e9cf839dd2d34dc42 dev/modules/postgresql
72ee9b5b68f04c46f80238c85886f99af7ca2623 dev/modules/stdlib