3.0 Table api sketch

This is the Table class, wich you will find surprisingly similar to models in CakePHP 2.x

Stuff that is completed:

* A simple Table factory, similar to ClassRegistry
* Basic API for finding
* Automatic fields selection
* Automatic type casting for table being queried
* Association eager loading (belonsTo, hasOne, hasMany and belongsToMany)

Stuff yet to be completed:

* Find callbacks
* Custom finds and finder scopes
* Find callbacks
* Saving data
* Start the entity layer