See also the git repository.

0.04    domingo,  2 de septiembre de 2018
        New methods for path finding: next, next_best, next_sq,
        path_best. Documentation on diagonals.

0.02    2018-09-01
        Add recalc() method (update() now makes no such effort as it
        cannot) and related commentary about these methods in the
        perldocs. Also new str2map() utility method.

0.01    August 31 2018
        First version, released on an unsuspecting world.