compute IntegralImages wrapper function
support computing channels outside of iiboost
change numStumps
suppporing several channels (several fetures aka IntegralImages)
do a list of stack channels instead of a list of channels stacks
change numstumps to 100
Added the Return Type of the Training. THe secret circle of ctypes assumes int as return type, and assumption is the mother of all fuckups
Merge branch 'integralImages'