[v0.4.9] Remove beta status & bump version + update readme.

Author: jhgg

README.md

@@ -10,11 +10,9 @@ Core GraphQL Library for Python
 
 ## Project Status
 
-**This in Beta status. Use in production at your own caution.**
-
-We are currently focusing on porting [graphql-js](https://github.com/graphql/graphql-js) to Python.
+This library is a port of [graphql-js](https://github.com/graphql/graphql-js) to Python.
 This library includes core features only that other packages within the [graphql-python](https://github.com/graphql-python/) organization shall build upon.
-We are currently targeting feature parity with `v0.4.7` of the reference implementation.
+We are currently targeting feature parity with `v0.4.13` of the reference implementation, and are currently on `v0.4.9`.
 
 Please see [issues](https://github.com/graphql-python/graphql-core/issues) for the progress.
 

setup.py

@@ -2,15 +2,15 @@
 
 setup(
     name='graphql-core',
-    version='0.4.7b2',
+    version='0.4.9',
     description='GraphQL implementation for Python',
     url='https://github.com/graphql-python/graphql-core',
     download_url='https://github.com/graphql-python/graphql-core/releases',
     author='Jake Heinz',
     author_email='me' '@' 'jh.gg',
     license='MIT',
     classifiers=[
-        'Development Status :: 4 - Beta',
+        'Development Status :: 5 - Production/Stable',
         'Intended Audience :: Developers',
         'Topic :: Software Development :: Libraries',
         'Programming Language :: Python :: 2',