Fix the bug of http://bugzilla.ecoinformatics.org/show_bug.cgi?id=4645. handleGetRevisionAndDocTypeAction will search both xml_documents and xml_revisions table. It also changed some constrain in AccessionNumber when user update a document, of which all previous versions are in xml_revisions table.
Fix the bug of http://bugzilla.ecoinformatics.org/show_bug.cgi?id=4645. handleGetRevisionAndDocTypeAction will search both xml_documents and xml_revisions table.
It also changed some constrain in AccessionNumber when user update a document, of which all previous versions are in xml_revisions table.