POV Patches

	IsoSurface Patch for Pov - patches the pov executable to allow it to generate parametric surfaces and import isosurface external data
	Bob Mercier's Povman Patch - patches pov to allow calls to external shaders; similar to Renderman renderers
	Atmospheric Effects Patch for Pov 2.2 - includes gound fog and glowing lights (glow is something that is still not directly supported by Pov)
	PMODEW Extended Pov Compile - allows DOS Pov to use up to 4 Gig of memory without using DOS4GW; also allows DOS Pov to use swap space when run from within Windows
	Pvmpov Patch - allows distributed povray rendering {UNIX only}