better performances.

the save/load cursor position trick to ignore them.

the canvas to 80 columns.

arguments are at least 32 bits.

SVG exporters.

text.

really looks like brown and not like desaturated yellow.

built-in font so that we now cover all of CP437.

background.

a file and a memory area into a libcucul buffer.
  * Changed the cucul_import_canvas() prototype so that it uses libcucul
    buffers instead of simple memory areas.

sequences longer than 100 characters.
  * Documented the escape sequence format.

intermediate bytes.

* Started changing function prototypes so that they return an integer
    instead of void, just in case they might fail.