Add missing 'self' arguments for lookup_for_member, lookup_members, modify_membership'
Add missing 'self' arguments for lookup_for_member, lookup_members, modify_membership'

MarshallBrinn/geni-ch,ahelsing/geni-ch,ahelsing/geni-ch,tcmitchell/geni-ch,tcmitchell/geni-ch,MarshallBrinn/geni-ch