Install doc8 and its dependencies to help clean up docs.

Author: rfoliva

Pipfile

@@ -9,22 +9,22 @@ alagitpull = "*"
 releases = "*"
 aafigure = "*"
 sphinxcontrib-napoleon = "*"
-Sphinx = "*"
+sphinx = "*"
 isort = "*"
 "flake8" = "*"
 vulture = "*"
 pytest = "*"
 pytest-rerunfailures = "*"
 tmuxp = {path = ".", editable = true}
 "e1839a8" = {path = ".", editable = true}
+"doc8" = "*"
 
 [packages]
 kaptan = "*"
 libtmux = "==0.8.0"
 click = ">=7<8"
 colorama = "*"
 "e1839a8" = {path = ".", editable = true}
-sphinx = "*"
 
 [requires]
 python_version = "2.7"