There are some times when a user might want to add a new node for a specific location, and others when functions must add new nodes (most notably `cropMap!`, but maybe others, too). I originally imple…
Load this ipynb: https://raw.githubusercontent.com/gumption/Python_for_Data_Science/master/Python_for_Data_Science_all.ipynb
After it's loaded, click notebook -> publish to web. The following goes to…