upping doc requirements for compability with ppy 3.7

Author: thomaslima

doc-requirements.txt

@@ -1,10 +1,11 @@
-better-apidoc==0.1.4
+better-apidoc==0.2.0
 mock==2.0.0
 nbsphinx==0.3.1
-Sphinx==1.7.2
+pytest==3.7.1
+recommonmark==0.4.0
+Sphinx==1.7.6
 sphinx-autoapi==0.5.0
 sphinx-autobuild==0.7.1
-sphinx-rtd-theme==0.2.4
-sphinxcontrib-bibtex==0.3.6
+sphinx-rtd-theme==0.4.1
+sphinxcontrib-bibtex==0.4.0
 sphinxcontrib-napoleon==0.6.1
-recommonmark==0.4.0