Fixing some issues related to communication with DataCite
Fixing some issues related to communication with DataCite

monmaks/ckanext-ceon,mateuszneumann/ckanext-ceon,tomaszblazejczyk/ckanext-ceon,monmaks/ckanext-ceon,monmaks/ckanext-ceon,mateuszneumann/ckanext-ceon,tomaszblazejczyk/ckanext-ceon,tomaszblazejczyk/ckanext-ceon,mateuszneumann/ckanext-ceon