==================
* Dropped support for Python 2.5.
* Removed distribute_setup bootstrap file, installation now requires
setuptools to already be installed.
* 1: Added an ``authenticate`` method for authenticating a given DN and
password using a bind operation.
* 2: Added the ability to set (and clear) defaults for the ``search`` method.
* 4: Added a ``compare`` method, wrapping ldap's compare, to return boolean
values instead of 0 and 1.