Allow removing self loops and return network
Allow removing self loops and return network

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