MitsubaForMaya - Obj output

I didn't have very much time to work this week, but I finished outputting .obj geometry to the Mitsuba format.  Using the ls command, you can select all geometry, but the problem is that it selects the shape nodes for each piece of geometry, instead of the geometry itself.  So what I had to do was select by type for transform node, and then cull out the non-geometry nodes.

The main thing I am working towards is having a functional tool (albeit basic) for Wednesday's betas.  I have all of the pieces, and now I just have to put them together.