#save classes as ints
#create map from class->index
images, classes = loader.loadTrainingAndClasses()

unique_classes = list(set(classes))
int_unique_classes={unique_classes[i]:i for i in range(len(unique_classes))}

#convert classes with map
int_classes=[int_unique_classes[cl] for cl in classes]
int_classes=numpy.array(int_classes)