+ Use Space to pause demos, Esc to quit.

+ Bigger metaballs, less metaballs.
    + Rotating palette.
  * examples/cacaplas.c:
    + Slightly decreased speed.
  * examples/cacacirc.c:
    + New effect.

+ 24 metaballs instead of 5, but smaller.
    + Zoom the bitmap to make more use of the screen area.

+ Crop the palette so that it looks a bit more like metaballs.
  * AUTHORS THANKS:
    + Credited Jylam and Jan Hubicka.

+ Huge coding style overhaul.
    + Display 5 metaballs instead of 3.
    + Generate the palette instead of having a static one.
    + Use a 256x256 back buffer for more smoothness.

+ Metaballs demo program from Jean-Yves Lamoureux <jylam@lnxscene.org>.