version 1.0

 - First release

version 2.1
 - Introduction of configure options
	--with-fann (when FANN is installed, needed for pkclassify_nn)
	--with-las (when LIBLAS is installed, needed for pklas2img)
 - Introduction of new tools, now includes:
	pkascii2img
	pkclassify_nn
	pkcreatect
	pkcrop
	pkdiff
	pkdumpimg
	pkdumpogr
	pkegcs
	pkextract
	pkfillnodata
	pkfilter
	pkgetmask
	pkinfo
	pklas2img
	pkmosaic
	pkndvi
	pkpolygonize
	pkreclass
	pksetmask
	pksieve
	pkstat
	pkstatogr
