+ Removed § from the list of default characters due to collisions.

+ Added setab/setaf quotes from the XTerm terminfo.
    + Proposed a workaround for bright colours on any terminal.
  * src/caca.c:
    + 16 colour support for ncurses and conio.
  * src/graphics.c:
    + Ported to 16 colour support.
    + Added a missing <stdio.h> for BUFSIZ.
    + Disabled vsnprintf under DOS (only vsprintf exists).
  * examples/:
    + Don't abort if the caca.txt sprite was not found.
    + Ported to 16 colour support.

+ Doxygenated a few things.

+ A few updates.
  * src/blit.c:
    + Split blit() into caca_create_bitmap() and caca_draw_bitmap().
    + Started removing hardcoded bitmask and pitch values.
  * examples/demo.c:
    + Do something with mouse clicks.

+ Fixed a bug in the mouse coordinates reporting.

+ Renamed sdl_get_key() into sdl_get_event().
    + Handle mouse clicks.
  * src/caca.c:
    + Activate the terminal's mouse handling if supported.

+ Interpret escape sequences for F1, F2, left, right, etc.
  * src/Makefile.am examples/Makefile.am:
    + Install caca.h in /usr/include.
    + Do not install example programs.
  * src/blit.c:
    + Minor improvements to grayscale colors.

+ Hue calculation now uses integers only.
    + Dithering is now parametrable. Implemented none, ordered, random.
  * examples/demo.c:
    + Added dithering selection.

+ Added caca_set_dithering() (unused yet).
    + Added random dithering.
  * src/caca.h:
    + Renamed legacy EE_* enums to CACA_*.
  * examples/demo.c examples/caca.txt:
    + Added a default sprite for libcaca.

to examples/.

+ Added -Wsign-compare to the warning flags.
  * libcaca/caca.c:
    + Fixed a signed/unsigned bug that caused infinite waits with
      ee_set_delay(0).
  * src/weapons.c libcaca/graphics.c libcaca/blit.c libcaca/conic.c:
    + Fixed minor signed/unsigned comparison warnings.