TODO:

-	render texture exec handling
-	render actual 3d view
-	options: colors
-	options: paths
-	x,y,z buttons
-	texture support
-	cone-dialog
-	torus dialog
-	draw lights
-	draw triangle
-	triangle dialog
-	draw heightfield
-	heightfield dialog
-	drag & drop extention for treewidget

-	configure, documentation, language support for 1.0.0

Version 0.0.6:

-	create new texture (name and color)
-	texture rendering
-	worldtree column sort (sort in the original order)
-	new worldtree based on qlistview
-	worldtree column texture
-	worldtree column hide
 
Version 0.0.5:

-	texture select widget
-	axis descriptions (x,y,z)
-	prepared for texture (exportPOV texture)
-	hide
-	cut & paste (context menu)
-	draw torus
-	draw grid and axis for parallel projection
-	draw lightpoint

-	make clean extended
-	directory tree changed
-	open gl source delete

Version 0.0.4:

-	scale,translate,rotate objects
-	load lightpoint
-	parallel projection
-	draw selected (highlighted)
-	draw cone
-	draw csg
-	draw blob

Version 0.0.3:

-	3d projection
-	viewwidget
-	draw box
-	draw sphere
-	draw cylinder
-	draw plane
-	draw grid and axis
-	draw obj

Version 0.0.1 and 0.0.2:

-	versions do not run (kde sigfault)
-	basic framework

