make Node type more permissive in preparation for TS 1.6
make Node type more permissive in preparation for TS 1.6

bjtitus/Eve,pel-daniel/Eve,bluesnowman/Eve,bluesnowman/Eve,bluesnowman/Eve,pel-daniel/Eve,justintaft/Eve,kidaa/Eve-1,bluesnowman/Eve,bjtitus/Eve,kidaa/Eve-1,bjtitus/Eve,pel-daniel/Eve,kidaa/Eve-1,pel-daniel/Eve,justintaft/Eve,bjtitus/Eve,justintaft/Eve,kidaa/Eve-1,justintaft/Eve