Add support for Python 3.3.

CHANGES.txt

@@ -4,6 +4,8 @@
 4.0.3 (2012-11-19)
 ------------------
 
+- Added support for Python 3.3.
+
 - C extenstions now build under Python 3.2, passing the same tests as
   the pure-Python reference implementation.
 

setup.py

@@ -77,6 +77,7 @@ setup(name='persistent',
         'Programming Language :: Python :: 2.7',
         'Programming Language :: Python :: 3',
         'Programming Language :: Python :: 3.2',
+        'Programming Language :: Python :: 3.3',
         "Programming Language :: Python :: Implementation :: CPython",
         "Programming Language :: Python :: Implementation :: PyPy",
         "Topic :: Database",

tox.ini

@@ -3,7 +3,7 @@ envlist =
 # Jython support pending 2.7 support, due 2012-07-15 or so.  See:
 # http://fwierzbicki.blogspot.com/2012/03/adconion-to-fund-jython-27.html
 #   py26,py27,py32,jython,pypy,coverage,docs
-    py26,py27,pypy,py32,coverage,docs
+    py26,py27,pypy,py32,py33,coverage,docs
 
 [testenv]
 deps =