Drop support for Python 3.4.

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

.travis.yml

 language: python
-sudo: false
+
 python:
     - "2.7"
-    - "3.4"
     - "3.5"
     - "3.6"
     - "pypy"
     - "pypy3.5"
+
 install:
     - pip install -U setuptools
     - pip install zc.buildout
     - buildout bootstrap
     - buildout
+
 script:
     - bin/test -v1
+
 notifications:
     email: false
+
 cache:
   pip: true
   directories:

CHANGES.rst

 Changelog
 =========
 
-4.0.2 (unreleased)
+5.0 (unreleased)
 ------------------
 
 - Update PyPY version.
 
+- Drop Python 3.4 support.
+
 
 4.0.1 (2017-11-27)
 ------------------

setup.py

@@ -19,7 +19,7 @@ from setuptools import setup, find_packages
 long_description = (open("README.rst").read() + "\n" +
                     open("CHANGES.rst").read())
 
-version = '4.0.2.dev0'
+version = '5.0.dev0'
 __version__ = version
 
 setup(name='tempstorage',
@@ -35,7 +35,6 @@ setup(name='tempstorage',
           "Programming Language :: Python :: 2",
           "Programming Language :: Python :: 2.7",
           "Programming Language :: Python :: 3",
-          "Programming Language :: Python :: 3.4",
           "Programming Language :: Python :: 3.5",
           "Programming Language :: Python :: 3.6",
           "Programming Language :: Python :: Implementation :: CPython",

tox.ini

 [tox]
 envlist =
-    py27,py34,py35,py36,pypy,pypy3
+    py27,py35,py36,pypy,pypy3
 
 [testenv]
 commands =