make_model() **kwargs moved node grouping and the retention of virtual nodes to make_model() kwargs
make_model() **kwargs
moved node grouping and the retention of virtual nodes to make_model() kwargs

bgyori/indra,johnbachman/belpy,johnbachman/belpy,jmuhlich/indra,jmuhlich/indra,sorgerlab/belpy,johnbachman/indra,sorgerlab/indra,sorgerlab/indra,bgyori/indra,pvtodorov/indra,sorgerlab/belpy,johnbachman/indra,pvtodorov/indra,johnbachman/indra,johnbachman/belpy,pvtodorov/indra,sorgerlab/belpy,bgyori/indra,jmuhlich/indra,sorgerlab/indra,pvtodorov/indra