Fixed a bug: contcatenation of str and long types when moving between submission pages with the number-tabs at the top of the pages.
Fixed a bug: contcatenation of str and long types when moving between submission pages with the number-tabs at the top of the pages.

tiborsimko/invenio,inveniosoftware/invenio,tiborsimko/invenio,inveniosoftware/invenio