Test against python 3.7

WillSewell · damdo · commit d4a2c46c3fe8 · 2018-12-13T11:09:38.000Z
diff --git a/.travis.yml b/.travis.yml
@@ -1,10 +1,13 @@
 ---
 language: python
+sudo: required
+dist: xenial
 python:
   - "2.7"
   - "3.4"
   - "3.5"
   - "3.6"
+  - "3.7"
 before_install:
   - pip install --upgrade setuptools
 install: 
