+ Renamed ee_color() to ee_set_color(), wrote ee_get_color().
  * libee/line.c:
    + Implemented draw_polyline() and draw_thin_polyline().
  * libee/sprite.c:
    + Removed the f member of struct ee_sprite.
    + Implemented ee_get_sprite_{width|height|dx|dy}().
    + Restore the color fater ee_draw_sprite() is called.
  * libee/box.c:
    + Fixed a bug causing improper box clipping at the right and the bottom.
  * data/foo_fighter:
    + Fixed bugs in the sprite.
  * src/intro.c:
    + Test effects for the future game's intro.
  * test/spritedit.c:
    + Added stuff to the sprite editor. We can now navigate through frames.

+ Moved ee_putstr() and ee_putchar() in here.
  * libee/ee.h:
    + Got rid of ee_goto().
    + Moved <slang.h> or <curses.h> into libee.
  * Replaced ee_goto()/ee_putstr() pairs with ee_putstr().
  * Ditto for ee_putchar().

+ Added missing #include "config.h".
    + Fixed a nasty bug in ee_rand() calls.

+ Moved ee_get_key() here.
  * libee/math.c:
    + Moved r00t() here and renamed it to ee_sqrt().
    + Moved GET_RAND() here and renamed it to ee_rand().
  * src/math.c:
    + Removed this deprecated file.

* the starfield is now an array of stars.
  * fixed wall rendering (offset issues and disappearing left wall).
  * 32 seekers on fragbomb explosion, not 16.

* added GPL headers to source files.

* two new types of aliens. only one rules.
  * removed gfx_write in favor of gfx_putchar and gfx_putstr.
  * added bonuses at alien death. they do nothing yet.
  * seeker missiles. 'b' to test.
  * weapon resolution is now 16*char. needs to be generalized.
  * fixed the supernova bugs. center could collide with the tunnel, and
    the last frame was badly displayed.
  * lots of cleanups everywhere.

the nuke is still ugly, almost no collision detection. Nice demo :)