documentation page from caca.h to a separate file.

+ Win32 speed improvements by Jari Komppa.

+ Fixed a buffer overflow due to bad signed/unsigned handling.
  * src/event.c:
    + Disallow zero width or height in the X11 driver.
    + Fixed resizing in ncurses and slang.
  * THANKS:
    + Added the Source Mage maintainer.

+ Fixed a typo preventing Win32 builds.
  * src/event.c:
    + Renamed io.c into event.c.
  * THANKS:
    + Added Gentoo, NetBSD and FreeBSD porters.

+ Updated credits.
  * NEWS:
    + Forthcoming 0.8 news.

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

+ RPM specfile, courtesy of Richard Zidlicky.
  * THANKS:
    + Added a THANKS file for contributors.