Module t.w.resource

I hold the lowest-level Resource class and related mix-in classes.

Class	RenderMixin	Mix-in class for iweb.IResource which provides a dispatch mechanism for
Class	Resource	An iweb.IResource implementation with some convenient mechanisms for
Class	PostableResource	A Resource capable of handling the POST request method.
Class	LeafResource	A Resource with no children.
Class	RedirectResource	A LeafResource which always performs a redirect.
Class	WrapperResource	An iweb.IResource implementation which wraps a RenderMixin instance