Fix Spanner Metadata (#3009)

Author: lukesneeringer

spanner/README.rst

@@ -1,11 +1,14 @@
 Python Client for Cloud Spanner
 ===============================
 
-    Python idiomatic client for `Cloud Spanner`_
+    Python idiomatic client for `Cloud Spanner`_.
+
+.. _Cloud Spanner: https://googlecloudplatform.github.io/google-cloud-python/latest/spanner-usage.html
+
 
 Quick Start
 -----------
 
-::
+.. code-block:: console
 
     $ pip install --upgrade google-cloud-spanner

spanner/setup.py

@@ -35,7 +35,7 @@
     'include_package_data': True,
     'zip_safe': False,
     'classifiers': [
-        'Development Status :: 4 - Beta',
+        'Development Status :: 3 - Alpha',
         'Intended Audience :: Developers',
         'License :: OSI Approved :: Apache Software License',
         'Operating System :: OS Independent',
@@ -59,7 +59,7 @@
 
 setup(
     name='google-cloud-spanner',
-    version='0.23.0',
+    version='0.23.1',
     description='Python Client for Cloud Spanner',
     long_description=README,
     namespace_packages=[