Minor readme and changelog tweaks

CHANGELOG.rst

@@ -10,13 +10,16 @@ driver will not hang.  However, if you *do* have a reproduceable case
 where Cluster.shutdown() is not called and the driver hangs, please
 report it so that we can attempt to fix it.
 
+If you're using the 2.0 driver against Cassandra 1.2, you will need
+to set your protocol version to 1.  For example:
+
+    cluster = Cluster(..., protocol_version=1)
+
 Features
 --------
 * Support v2 of Cassandra's native protocol, which includes the following
-  new features:
-  * Automatic query paging support
-  * Protocol-level batch statements
-  * Lightweight transactions
+  new features: automatic query paging support, protocol-level batch statements,
+  and lightweight transactions
 * Support for Python 3.3 and 3.4
 * Allow a default query timeout to be set per-Session
 

README.rst

@@ -8,6 +8,8 @@ A Python client driver for Apache Cassandra.  This driver works exclusively
 with the Cassandra Query Language v3 (CQL3) and Cassandra's native
 protocol.
 
+The driver supports Python 2.6, 2.7, 3.3, and 3.4.
+
 Installation
 ------------
 Installation through pip is recommended::

cassandra/__init__.py

@@ -23,7 +23,7 @@ class NullHandler(logging.Handler):
 logging.getLogger('cassandra').addHandler(NullHandler())
 
 
-__version_info__ = (2, 0, '0b1')
+__version_info__ = (2, 0, '0b1', 'post')
 __version__ = '.'.join(map(str, __version_info__))