3.0.0 beta1

* Config argument for init event now merged into the event facade,

instead of being passed separately (available as e.cfg).

* Removed Base.create. On review considered to be overkill.

* Moved PluginHost down from Widget to Base, since utils and

Node will also support Plugins.

* PluginHost.plug and unplug now accept the plugin class as arguments.

[ plug(pluginClass, cfg) and unplug(pluginClass) ]

* Split base module up into base-base and base-build.

* Added "Initialize on Demand" feature for ATTRS processing, which

removes order dependency when processing ATTRS for a particular class.

If a get call is made for an uninitialized attribute A, in the

getter/setter/validator or valueFns of another attribute B, A will

be intiailized on the fly and it's value returned.

NOTE: This functionality only applies to attributes which are part of

the same class' ATTRS configuration, since attributes from superclasses

will already have been configured based on the class hierarchy

initialization.

* Added ability to subscribe to on/after events through the constructor

config object, e.g.:

new MyBaseObject({

on: {

init: handlerFn,

myAttrChange: handlerFn

},

after: {

init: handlerFn,

myAttrChange: handlerFn

},

...

});

3.0.0PR1 - Initial release

Module Name: "base"

Documentation: http://developer.yahoo.com/yui/3/base

Base is designed to be a low level class from which other attribute

and event target based classes in the YUI library can be derived.

It provides a standard template for creating attribute based objects

across the library and provides a consistent init() and destroy()

sequence, by chaining initialization (initializer) and destruction

(destructor) methods for the class hierarcy.