NEWS/Changelog

0.1-1	2010-04-06
    o	add tolerance to writePNG() to avoid shifts by one in
	color because of numerical representation of discretized
	values

    o	adapt to a last-minute change in R 2.11.0 from raster() to
	rasterImage()

    o	add support for more effieint nativeRaster format


0.1-0	2010-03-17
    o	first release on CRAN, supports readPNG() and writePNG()
	for files and raw vectors. readPNG() supports any input
	color type but will convert to 1-4 planes with 8-bit
	accuracy each. writePNG() will write out 1-4 planes
	8-bit each. writePNG() has currenty no provision for
	generating or stroring a palette.

