Optimize handling split groups in refinement filter
Optimize handling split groups in refinement filter

johnbachman/indra,bgyori/indra,sorgerlab/indra,sorgerlab/indra,sorgerlab/belpy,sorgerlab/belpy,johnbachman/indra,sorgerlab/belpy,johnbachman/indra,bgyori/indra,sorgerlab/indra,bgyori/indra