* [DCG_CARDINAL,FIX] sign/1 did not have the correct feature arguments.
* [RDF_NAME,NEW] Added rdf_terms_name/[2,3] returning the atomic name of a list of RDF terms.
* [RDF_READ,DOC] Documented lexical mapping for rdf_datatype/5.
* [RDF_SERIAL,FIX] Added nonvar/1 checks to rdf_load2/2.
* [XSD,FIX] Removed the once/1 statement around the lexical mapping; behavior should be nonder.
* [XSD_FLOAT,O] Parse longer codes first in the lexical mapping of floats.
* [OAEI,EXT] Added a check for directionality and confidence measure of alignments.