* the <data> entries are currently treated just as the structure items,
  on most toolkits, however, data (like fonts and surfaces) and widgets
  do not have a common ancestor.

* write parser for new xml format (UIML like ...?)

* write DTD / XML information for READMEs and parsers

* add Drawable widget, which takes a displaylist and with this
  allows drawings

* provide raw mouse or keyboard events to the application

* add libuta widgets: Icon, MultiLineEdit

* add parsing of embedded images (XPM.GZ) (libuta >= 0.3.36 knows XPM)

* modify debugging output to be silent on optimized / release builds
		
