1.2.1 (2007-3-5)
----------------

* documented, fixed, and tested intended subclassing story

* documented and tested support for old DBs with instances of OrderedDict

1.2 (2007-3-5)
--------------

* bug fix: ``pop`` and ``setdefault`` did not correctly adjust _len

* bug fix: ``setdefault`` did not return value

* feature: ``update`` now supports full dict behavior

* feature: ordered dict now has all dict methods

* tests: added fuller test suite for ordered dict

* docs: mentioned some performance and behavior characteristics of Dict and
  OrderedDict

* change: moved OrderedDict into dict.py and made it a subclass.  Left a stub
  for old ZODBs in ordered.py.

* change: ``__del__`` defers to ``pop``.

1.1 (2007-12-16)
----------------

* Added OrderedDict class that maintains the order in which items are added.
