Modify setup.py and README to show Python 3 addition

Author: hballard

README.md

@@ -6,7 +6,7 @@ This is an implementation of graphql subscriptions in Python.  It uses the apoll
 
 Meant to be used in conjunction with [graphql-python](https://github.com/graphql-python) / [graphene](http://graphene-python.org/) server and [apollo-client](http://dev.apollodata.com/) for graphql.  The api is below, but if you want more information, consult the apollo graphql libraries referenced above, and specifcally as it relates to using their graphql subscriptions client.
 
-Initial implementation.  Good test coverage.  Currently only works with Python 2.
+Initial implementation.  Good test coverage.  Works with both Python 2 / 3.
 
 ## Installation
 ```

setup.py

@@ -17,7 +17,7 @@
 
 setup(
     name='graphql-subscriptions',
-    version='0.1.8',
+    version='0.1.9',
     author='Heath Ballard',
     author_email='[email protected]',
     description=('A port of apollo-graphql subscriptions for python, using\
@@ -33,6 +33,10 @@
         'Environment :: Web Environment',
         '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',
         'License :: OSI Approved :: MIT License'
     ],
     install_requires=[