Version 0.72, released October 1, 1999
- experimental sound support 
- gzip file support 
- support for mapper 99, experimental support for mapper 23, 
and improved support for mapper 15

Version 0.71, released September 15, 1999
- support for mappers 32 and 66, experimental support for mappers 15, 22,
    and 71
- better logic for deciding which mapper to use via -f, --fix-mapper and
    -M, --mapper CLI options
- Game Genie bug fixes
- improved palette
- trainer support
- CLI option -H, --show-header for dumping iNES header bytes

Version 0.70, released September 7, 1999, is the first public release of
TuxNES, which is based on Nestra 0.63. New features include:
- joystick support (2- or 4- button)
- capture screens in X pixmap (xpm) format
- Game Genie support
- GNU-ified overhaul:
    build/installation process (i.e., './configure', 'make', 'make install')
    command line options (i.e., long options)
