node count filtering now works, but only on initial computation of graph
node count filtering now works, but only on initial computation of graph

aashish24/tangelo,ecohealthalliance/tangelo,ecohealthalliance/tangelo,Kitware/tangelo,ecohealthalliance/tangelo,Kitware/tangelo,mathstuf/tangelo,aashish24/tangelo,mathstuf/tangelo,mathstuf/tangelo,aashish24/tangelo,Kitware/tangelo