travis: Add support for generating MacOSx wheels for Python 3.5. Fixes #7

Author: jcfr

.travis.yml

@@ -8,6 +8,11 @@ language: python
 matrix:
   include:
 
+    - os: osx
+      language: generic
+      env:
+        - PYTHONVERSION=3.5.2
+
     - os: osx
       language: generic
       env:
@@ -25,6 +30,7 @@ matrix:
 
 cache:
   directories:
+    - $HOME/.pyenv/versions/3.5.2
     - $HOME/.pyenv/versions/3.4.5
     - $HOME/.pyenv/versions/3.3.6
     - $HOME/.pyenv/versions/2.7.12