added space/space as delimiter for authors in bibliography. See: http://www.soziale-welt.nomos.de/fileadmin/soziale-welt/doc/Autorenhinweise_sw.pdf for further information.
delimiter space/space for container-contributers, as well as author/author (without space) for in text citation.
removed collapse-year from in text citation of multiple resources: always ; instead.
updated time of csl.