add 490 to series list;switch some 520 summaries to annotations; add lots of bf:labels to structured sets; change rdfs:label to bf:label, addd  to 520
add temporalConcept; change rdf:RDF constructor so we can have namespaces listed once at the root
create translationOf Works for 130,240; embed Holding in Instance, embed ISSN in Instance on relateds, remove descriptionRole from Agents for reuse.
fix multiple 050; drop link on Agent annotation; work on volumes