Method getWeightChanges

include/Trainer.h:36–38

			return gradients;
		};
		std::vector< std::vector< std::vector< std::vector<double> > > > getWeightChanges() {
			return weightChanges;
		};
		std::vector< std::vector< std::vector<double> > > getInitialWeights() {
			return initialWeights;
		};