Now with full MooGNU support!

Usage: nyancat [OPTIONS]
    -h,  --help                    This help message
    -f,  --fullscreen              Enable fullscreen mode (default)
    -nf, --nofullscreen            Disable fullscreen mode
    -c,  --catsize                 Choose size of cat, options are full and 
                                   small. Small is default. "Full" is not
                                   officially supported.
    -nc, --nocursor                Don't show the cursor (default)
    -sc, --cursor, --showcursor    Show the cursor
    -ns, --nosound                 Don't play sound
    -v, --volume                   Sets Volume, if enabled, from 0 - 128
    -r,  --resolution              Make next two arguments the screen resolution
                                   to use (0 and 0 for full resolution)
                                   (800x600 default)
    -d, --data-set                 Use an alternate data set. Packaged with
                                   this program by default are "default" and 
                                   "freedom" sets.
    -hw, -sw                       Use hardware or software SDL rendering,
                                   respectively. Hardware is default