0.2.0 7/7/2009

* 2 major additions (observers, associations), several minor additions, and a few bug fixes

* Added observers

* many now supports embedded docs or docs in another collection (dcu on github)

* added belongs_to association (dcu)

* added validates_uniqueness_of (dcu)

* added :unique key shortcut to add validates_uniqueness_of automatically

* now tracking descendants of document (dcu)

* added validates_exclusion_of and validates_inclusion_of

* Bumped required version of validatable for callback fixes

* More thorough use of converting find conditions and options to mongo speak

* #attributes= no longer bombs when given nil

0.1.2 7/3/2009

* 2 minor changes

* Straightened out callbacks and added validate, validate_on_create and validate_on_update.

* Attributes passed into attributes= now call writer methods if they exist. This is mostly for virtual attributes.

0.1.1 6/28/2009

* 1 minor change

* bumped ruby driver to 0.9 and removed hacks I had in while waiting for it

0.1.0 6/26/2009

* Initial release