Add support for Python 3.7.

modified:   .travis.yml
modified:   CHANGES.rst
modified:   setup.py
modified:   tox.ini

.travis.yml

@@ -7,6 +7,11 @@ python:
     - "pypy"
     - "pypy3.5"
 
+matrix:
+    include:
+        - python: "3.7"
+          dist: xenial
+
 install:
     - pip install -U setuptools
     - pip install zc.buildout

CHANGES.rst

@@ -8,6 +8,8 @@ Changelog
 
 - Drop Python 3.4 support.
 
+- Add support for Python 3.7.
+
 
 4.0.1 (2017-11-27)
 ------------------

setup.py

@@ -37,6 +37,7 @@ setup(name='tempstorage',
           "Programming Language :: Python :: 3",
           "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",
       ],

tox.ini

 [tox]
 envlist =
-    py27,py35,py36,pypy,pypy3
+    py27,py35,py36,py37,pypy,pypy3
 
 [testenv]
 commands =