Updated changelog and added PyPy and CPython classifiers.

[ci skip]

CHANGES.rst

@@ -4,7 +4,11 @@ Changelog
 3.11 (unreleased)
 -----------------
 
-- Nothing changed yet.
+Fixes:
+
+- Successfully test with pypy and pypy3.  [gforcada]
+
+- Minor documentation update.  [tpltnt]
 
 
 3.10 (2016-05-26)

setup.py

@@ -41,6 +41,8 @@ setuptools.setup(
         'Development Status :: 5 - Production/Stable',
         'Intended Audience :: Developers',
         "Programming Language :: Python",
+        "Programming Language :: Python :: Implementation :: CPython",
+        "Programming Language :: Python :: Implementation :: PyPy",
         "Programming Language :: Python :: 2.6",
         "Programming Language :: Python :: 2.7",
         "Programming Language :: Python :: 3",