Add a game state log dumping facility that produces a (load)able sexpr-log.
Example:
(setf *my-parser* (xdump:make-parser))
(xdump:with-parser *my-parser* (load "testdata/gamestate-1"))
- [DH] empire.lisp
- [DH] log.lisp
- [DH] package.lisp
- [DH] testdata/gamestate-1
- [DH] xdump.lisp