Revision history for Perl extension D64::Disk::Layout::Base.

0.03  2021-01-12
    - add "track_data" method to read/write physical track data from/into a disk

0.02  2018-11-24
    - remove hard-coded file names in tests and replace them with a File::Temp's
      "tmpnam" function call that returns the full name of a temporary file

0.01  2011-01-22
    - initial version (supports designing physical layouts of various Commodore
      disk image formats through inheritance, reading and writing physical
      sector data from/into disk image, and saving data changes to file)