Added gammaCorrect() in Imageclass.py
Added gammaCorrect() in Imageclass.py

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