added webp support via PIL
added webp support via PIL

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