fix _addNodeNoHistory to correctly look for existing nodes
fix _addNodeNoHistory to correctly look for existing nodes

tlevine/rhizi,cben/rhizi,ozFri/rhizi,tlevine/rhizi,Rhizi/rhizi,cben/rhizi,yuvadm/rhizi,Rhizi/rhizi,shlomif/rhizi,yuvadm/rhizi,tlevine/rhizi,tlevine/rhizi,yuvadm/rhizi,shlomif/rhizi,ozFri/rhizi,cben/rhizi,ozFri/rhizi,Rhizi/rhizi,cben/rhizi,yuvadm/rhizi,ozFri/rhizi,Rhizi/rhizi,shlomif/rhizi,shlomif/rhizi