add a hueDistance function with minval/minsat tolerances
add a hueDistance function with minval/minsat tolerances

hurdlea/SimpleCV,nils-werner/SimpleCV,gskielian/SimpleCV,sightmachine/SimpleCV,nikhilgk/SimpleCV,sightmachine/SimpleCV2,gskielian/SimpleCV,jlegendary/SimpleCV,jyt109/SimpleCV,nils-werner/SimpleCV,jayrambhia/SimpleCV2,jyt109/SimpleCV,hurdlea/SimpleCV,gskielian/SimpleCV,jayrambhia/SimpleCV2,sightmachine/SimpleCV,gskielian/SimpleCV,beni55/SimpleCV,hayd/SimpleCV,sightmachine/SimpleCV,hayd/SimpleCV,nikhilgk/SimpleCV,tpltnt/SimpleCV,nikhilgk/SimpleCV,sightmachine/SimpleCV2,hurdlea/SimpleCV,hayd/SimpleCV,jyt109/SimpleCV,onaclovtech/SimpleCV,jayrambhia/SimpleCV2,sightmachine/SimpleCV,nils-werner/SimpleCV,onaclovtech/SimpleCV,nikhilgk/SimpleCV,sightmachine/SimpleCV,jlegendary/SimpleCV,nils-werner/SimpleCV,beni55/SimpleCV,nikhilgk/SimpleCV,gskielian/SimpleCV,tpltnt/SimpleCV,jlegendary/SimpleCV,beni55/SimpleCV,onaclovtech/SimpleCV,hayd/SimpleCV,jyt109/SimpleCV,tpltnt/SimpleCV,jyt109/SimpleCV,sightmachine/SimpleCV2,jlegendary/SimpleCV,onaclovtech/SimpleCV,tpltnt/SimpleCV,beni55/SimpleCV,tpltnt/SimpleCV,hurdlea/SimpleCV,sightmachine/SimpleCV2,hurdlea/SimpleCV,nils-werner/SimpleCV,jlegendary/SimpleCV,onaclovtech/SimpleCV,jayrambhia/SimpleCV2,hayd/SimpleCV,beni55/SimpleCV