[Simple-support] Use inner class instead of top level class

[<w.s...@gm...>]

Dear Developers!

=20

It would be nice to have inner classes avaliable with simple xml.

I need this because i=92d like to keep the number of classes down.

=20

I=92ve allready done it with my version, but it would be nice to have it =
in
future versions.

=20

Kind regards

=20