BlueBrain/snap: v2.0.1

Abstract

<h1>Bug Fixes</h1> <ul> <li>fixed pylint <code>cyclic-import</code> issues</li> <li>fixed docstrings of <code>Nodes.get</code>, <code>Edges.get</code></li> <li>did small fixes and added basic testing to <code>_plotting.py</code></li> </ul&gt