Abstract test Suite

The elements below are tested on being available in the suggested cardinality and type.

Element DC	Element ISO	Cardinality	Type	Codelist	Comment
identifier	fileidentifier	1-n	string	-
title	title	1-n	string	-
language	language	0-n	string	-	2/3/5-letter iso?
description	abstract	0-n	string
date	date	0-n	date
distribution	distributioninfo	0-n	str or uri
contributor	contact#?	0-n	str or uri
creator	contact#author	0-n	str or uri
publisher	contact#distributor	0-n	str or uri
coverage-temporal	extent#temporal	0-n	date-period
coverage-spatial	extent#spatial	0-n	str, uri or bbox
rights	constraints	0-1	str or uri
license	constraints	0-1	str or uri
subject	keyword/topiccategory	0-n	str or uri
type	hierarchylevel	1-1	str or uri
format	format	0-1	str or uri