Revision history for Perl extension D64::Disk::Dir::Item.

0.02  2013-02-09
    - added implementation of "empty" method, which verifies if directory item
      contains information about the actual disk file or not
    - added implementation of "writable" method, which verifies if directory
      item is writable and can be replaced by any new file that would be written
      into disk

0.01  2013-02-02
    - initial version (provides miscellaneous procedures to access and modify
      individual directory entries of D64/D71/D81 disk images)