Fixing a few typos I induced by find-replacing "node_"
Fixing a few typos I induced by find-replacing "node_"

Now the StreamPower component also works.

landlab/landlab,Carralex/landlab,cmshobe/landlab,cmshobe/landlab,landlab/landlab,cmshobe/landlab,amandersillinois/landlab,Carralex/landlab,amandersillinois/landlab,landlab/landlab,Carralex/landlab