version 1.0
------------
 - cleaned up Makefile.unx (better gcc optimizations, "clean" target)
 - recompiled binaries with zlib 1.1.4

version 0.95
------------
 - fixed Win32 filter bug (binary mode for stdin/stdout)
 - fixed cosmetic "choosing colors" verbosity buglet
 - fixed palette-size bug when number of colors in image < number requested
 - fixed sample-depth bug (png_set_packing() not retroactively smart)

version 0.91
------------
 - fixed some verbose/non-verbose oopers
 - fixed Win32 (MSVC) portability issues (getpid(), random(), srandom())
 - added Makefile.w32 for MSVC (tested with 5.0)

version 0.90
------------
 - added support for multiple files on command line
 - changed stdin support to write PNG stream to stdout (not "stdin-fs8.png")

version 0.75
------------
 - added support for any type of input file [Glenn Randers-Pehrson]
 - fixed palette-(re)scaling bug
 - added -verbose and -quiet options (default now is -quiet)
 - added palette-remapping to minimize size of tRNS chunk
 - made Floyd-Steinberg dithering default
 - changed output naming scheme to -fs8.png and -or8.png (FS or ordered dither)

version 0.70
------------
 - first public release
