[GNU ELPA] Sokoban version 1.4.9

[ELPA update]

Version 1.4.9 of package Sokoban has just been released in GNU ELPA.
You can now find it in M-x package-list RET.

Sokoban describes itself as:
  Implementation of Sokoban for Emacs.

More at https://elpa.gnu.org/packages/sokoban.html