Add Python 3.5 testing to travis
diff --git a/.travis.yml b/.travis.yml
index c2eaf23..4b14c03 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -4,5 +4,6 @@
   - "3.2"
   - "3.3"
   - "3.4"
+  - "3.5"
 script: python test/all_tests.py