Add a docstring for the Config class
Add a docstring for the Config class

Kitware/sprokit,linus-sherrill/sprokit,mathstuf/sprokit,linus-sherrill/sprokit,Kitware/sprokit,linus-sherrill/sprokit,linus-sherrill/sprokit,Kitware/sprokit,mathstuf/sprokit,mathstuf/sprokit,mathstuf/sprokit,Kitware/sprokit