Quite a bit of refactoring in ui.lisp

Wrote the player manual. ...

Also some minor bug fixes and UI adjustments.

Added TODO file and the 'jump' extension command.

Removed the player creation function and made the start menu more user-friendly.

Diked out character class and race.

Redesigned 'abilities' feature, changed license to GPL. ...

Also various bug fixes and code annotations. License change due to
my use of CLISP external functions.

Moved night-vision to new player attribute 'abilities'.

Implemented in-game functions. ...

Although they will probably still change significantly...
Also fixed a bug in the combat system.

Added concept of darkness. ...

Also various bugfixes.

Implemented quests. A small feature with a large effect :-)

Fixed the attack function, some refactoring.

Integrated the 'Start' player construct into ATL. ...

Also some refactoring.

Wrote most of the attack function, but doesn't work yet. ...

The call to remove-object-attribute still gives problems, and I'm
running into trouble with the fact that monsters are stored by name
in each place, when really they need to be stored by value.

Started implementing trading system (buying works now). ...

Also added UI for creator.lisp and other minor changes.

Implemented item pickup/dropping/equipping. ...

Also expanded the test world and some other adjustments.

Added single-player mode, enabled saving/loading of a game. ...

Also related code cleanup.

A lot of refactoring and code cleanup... ...

Still to be done: remove all those (eval) expressions.

Some refactoring in world/game-object, expanded commandline parameter parsing.

Refactored game command system, added 'player' command. ...

Version 0.1 is now ready - ATL files are parsed properly, the world
and the player are created, and the player can move around inside
the world. The first stage of a long journey is hereby completed!
:-)

Saved a lot of code by writing build-symbol, started on client module.

Enabled Lisp extension files to be loaded from ATL source file. ...

Also added option to show license to interactive start menu, and
various small bug fixes/additions.

Added races and character classes, wrote safe-guard against circular imports.

Expanded interpreter, started on world.