Data display window

This library allows the IO mechanism to 'save' data to the display.

Normal classes:

DPWindowC	DP Window.
DPDisplayObjC	Display object.
DPDisplayImageRGBC	DPDisplayObj to handle images.
DPDisplayImageRealC	DPDisplayObj to handle images.
DPDisplayImageByteC	DPDisplayObj to handle images.
DPWindowOPortC	Window OPort.
DPDisplayViewC	Widget for displaying DPDisplayObjC's.