+ Replace CACA_WIDTH and CACA_HEIGHT with CACA_GEOMETRY.
  * src/caca.c:
    + Documented the CACA_GEOMETRY environment variable.

+ Prepared release 0.4.
  * src/graphics.c README BUGS TODO:
    + Updated documentation.
  * Makefile.am doc/Makefile.am:
    + Install the generated doxygen documentation.

+ Updated long descriptions.
  * debian/changelog ChangeLog doc/doxygen.cfg NEWS:
    + Prepared 0.3 release.
  * README:
    + --enable-ncurses is now the default.

+ Added these mandatory files.
  * doc/:
    + Wrote a Doxygen configuration file.
    + Added a manpage for caca-config(1), borrowed from sdl-config.
  * configure.ac:
    + Use new style AC_INIT.
    + Error out if no library was found.
    + Added *djgpp* to the list of non-PIC platforms.
    + Added checks for doxygen and latex.