[jdom-interest] FilterList and Filter

[Jools Enticknap]

> > Filter is public, but it could just as well be package protected as the
> > methods on FilterList which allow access to the Filter are infact package
> > protected.
> 
> For Filter, it's likely there'll be some ability to use the interface to
> create custom Filters, such as with a document.getIterator(Filter)
> method to walk the document according to some filter.
> 
> The other Filter-related classes are package protected.

Given that to be the case should we make the interface package protected ?

--Jools