id	summary	reporter	owner	description	type	status	priority	milestone	component	version	resolution	keywords	cc
661	new item types to consider for the hierarchical item structure	erazlogo	dstillman	"So far:
archival collection
journal
magazine
newspaper
data set
music score
biography/agent (should describe both persons and institutions)
image instead of artwork; maybe also add object

Forums on periodical and archival collection types:
http://forums.zotero.org/discussion/918/different-document-types/#Item_6
http://forums.zotero.org/discussion/391/1/hierarchical-item-relationships/#Item_48
http://forums.zotero.org/discussion/5945/type-journalnewspapermagazine/#Item_4"	enhancement	new	major		data layer	future		schema-update