Bugfix create header block
The data concerning VDI and VET is extracted from the XML dump and used to draw the header block of the diagram. The block is attached to the topmost lists of the VET. This fixes #5 (closed).
The data concerning VDI and VET is extracted from the XML dump and used to draw the header block of the diagram. The block is attached to the topmost lists of the VET. This fixes #5 (closed).