update README with py3.2/3.3 compatibility

Author: warner

README.md

@@ -21,7 +21,7 @@ other curves are included, but it would not be too hard to add more.
 ## Dependencies
 
 This library uses only Python. It requires python2.5 or later versions of the
-python2.x series. It is not compatible with python3.x .
+python2.x series. It is also compatible with python3.2 and 3.3.
 
 To run the OpenSSL compatibility tests, the 'openssl' tool must be on your
 $PATH. This release has been tested successfully against both OpenSSL 0.9.8o