Add ANM sprite boundary dumping.

This can be enabled with the `dat_dump` parameter in the run configuration.

... yeah, you could argue about adding this to the main plug-in, but we have the data, the structures *and* libpng all in one spot, so it's not that bad of a place.
Add a patch hook for th10+ endings.

The underlying format is the same as for the in-game dialogue, it will just require a different format description.
thcrap_tsa: box_end cleanup.
Bump version number to 2013-07-29