Still trying to fix autodoc.
Still trying to fix autodoc.

Turns out mocking the warnings module affects sphinx itself! It actually
needs the module to work. So, seeing if I can avoid mocking it but
instead make the submodules that import it palatable for autodoc.

datreant/datreant.core,datreant/datreant.core,datreant/datreant,andreabedini/datreant,datreant/datreant,dotsdl/datreant,datreant/datreant.data