Add support for Python 3.6, drop support for Python 2.6, 3.3, 3.4.

.travis.yml

@@ -1,10 +1,8 @@
 language: python
 python:
-    - 2.6
     - 2.7
-    - 3.3
-    - 3.4
     - 3.5
+    - 3.6
     - pypy
     - pypy3
 install:

CHANGES.txt

@@ -5,7 +5,9 @@ CHANGES
 2.0.1 (unreleased)
 ------------------
 
-- Added Python 3.4, 3,5 and PyPy3 support.
+- Added support for Python 3.5, 3.6 and PyPy3.
+
+- Dropped support for Python 2.6 and 3.3.
 
 
 2.0.0 (2013-02-25)

setup.py

@@ -1,35 +1,33 @@
 from setuptools import setup
 
-setup (
+setup(
     name='roman',
     version='2.0.1.dev0',
-    author = "Mark Pilgrim",
-    author_email = "f8dy@diveintopython.org",
-    description = "Integer to Roman numerals converter",
-    long_description = open('CHANGES.txt').read(),
-    license = "Python 2.1.1",
-    keywords = "roman",
-    classifiers = [
+    author="Mark Pilgrim",
+    author_email="f8dy@diveintopython.org",
+    description="Integer to Roman numerals converter",
+    long_description=open('CHANGES.txt').read(),
+    license="Python 2.1.1",
+    keywords="roman",
+    classifiers=[
         'Development Status :: 5 - Production/Stable',
         'Intended Audience :: Developers',
         'Programming Language :: Python',
         'Programming Language :: Python :: 2',
-        'Programming Language :: Python :: 2.6',
         'Programming Language :: Python :: 2.7',
         'Programming Language :: Python :: 3',
-        'Programming Language :: Python :: 3.3',
-        'Programming Language :: Python :: 3.4',
         'Programming Language :: Python :: 3.5',
+        'Programming Language :: Python :: 3.6',
         'Programming Language :: Python :: Implementation :: CPython',
         'Programming Language :: Python :: Implementation :: PyPy',
         'License :: OSI Approved :: Python Software Foundation License',
         'Programming Language :: Python',
         'Natural Language :: English',
         'Operating System :: OS Independent'],
-    url = 'http://pypi.python.org/pypi/roman',
+    url='https://github.com/zopefoundation/roman',
     package_dir={"": "src"},
     py_modules=["roman"],
-    include_package_data = True,
-    test_suite = 'tests',
-    zip_safe = True,
-    )
+    include_package_data=True,
+    test_suite='tests',
+    zip_safe=True,
+)

tox.ini

@@ -1,6 +1,6 @@
 [tox]
 envlist =
-    py26,py27,py33,pypy
+    py27,py35,py36,pypy,pypy3
 
 [testenv]
 commands =