current canvas. This is useful to export dirty rectangles. Accordingly,
add caca_import_area_from_memory() and caca_import_area_from_file().

split is rendered moot by the plugin system: when enabled, binaries do
not link directly with libX11 or libGL. I hope this is a step towards
more consisteny and clarity.

prototypes. As they are equivalent, this does not break the ABI.

<cucul.h> will provide the C99 types, even if libcaca has been installed.
  * Rename what's left of "common.h" to "stubs.h".
  * Remove all references to erroneous <inttypes.h> from source files.

* Autodetect zzuf in the configure step. It might become handy.

functions to access its real data. This is a big API change that will
    break your software, sorry :(

* Adapt the swallow test to the display's size.

* Swallow 4 applications instead of 2 in the swallow test.

cacademo and cacafire, and displays them in a canvas.