Add py37 to test matrix

Author: kvesteri

.travis.yml

@@ -5,6 +5,7 @@ python:
   - 3.4
   - 3.5
   - 3.6
+  - 3.7
   - pypy
   - pypy3
 install:

setup.py

@@ -66,6 +66,7 @@ def get_version():
         'Programming Language :: Python :: 3.4',
         'Programming Language :: Python :: 3.5',
         'Programming Language :: Python :: 3.6',
+        'Programming Language :: Python :: 3.7',
         'Programming Language :: Python :: Implementation :: CPython',
         'Programming Language :: Python :: Implementation :: PyPy',
         'Topic :: Internet :: WWW/HTTP :: Dynamic Content',