this is just a minor bugfix release for Neuronvisio:
From the Changes:
* Fixed the picking of the cylinder. Possible to select a cylinder
* Possibility to plot points instead of a lines
* BaseRef class are discriminated through the group id and not any
more on class base.
Point one should make your life easier when trying to pick a section,
point two is useful if you want to plot the points, instead of having
Last bit is about the HDF5 structured file used to save the model and
the computational results. The different group are discriminated by
the group_id, so you can avoid to subclass if you don't want too.