sphinx==1.2.3
sphinxcontrib-napoleon==0.3.1
sphinx-py3doc-enhanced-theme==2.2.0
-e .

sphinx==1.3.1
sphinxcontrib-napoleon==0.3.11
sphinx-py3doc-enhanced-theme==2.2.0
-e .

Upgrade some more deps for docs.
Upgrade some more deps for docs.