Note that I have not yet created "chunks" using these new sectionals.
I am still mulling over the most efficient way to do this. There are
not a lot of new images, so I think I can make updates *much* quicker
if I just re-crop and warp the new ones.

I ended up masking and warping all of the images again.
http://aviationtoolbox.org/munge/masked/
http://aviationtoolbox.org/munge/warped/
This time I kept the version numbers intact.

In order to better handle incremental updates, I'm running the
"chunking" process after all of the warped images have been created.
It is running now. (Watch it grow! It's almost as much fun as a
Chia-Pet.)
http://aviationtoolbox.org/munge/mosaic?dir=new
Tomorrow I'll move "chunked-new" to "chunked".
http://aviationtoolbox.org/munge/chunked/

....and then I'll make the "rechunking" code available.

--kyler