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.

Started on creator.lisp, the ATL code generator, and implemented spreadsheet parsing. ...

Very proud of myself - this commit transforms a spreadsheet into code in under
40 lines of Lisp, and I wrote that in two hours, starting at midnight :D

Implemented about/talk/clear commands. ...

Also expanded the test world. Plus, I have now broken the 1000 line barrier! :-)

Implemented item pickup/dropping/equipping. ...

Also expanded the test world and some other adjustments.

Some refactoring and bug fixing (introduced debugging print function).

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

Also related code cleanup.

First commit on the single-player branch. ...

Networking is proving to be a major challenge, so I'm bypassing it for now...
Refactored the start menu.