* [GRAPH_EXPORT,NEW] Added export_triples/3 and write_triples/4 for writing an arbitrary collection of triples.
* [GRAPH_EXPORT,NEW] Added wrapper write_graph/3.
* [SKOS_READ,NEW] New modules providing read support for SKOS datasets.
* [SKOS_WRITE,EXT] Finalized existing predicates and RDF meta declarations.