Implementation APE-GAN (https://arxiv.org/pdf/1707.05474.pdf)
python generate.py --eps 0.15
python train.py --checkpoint ./checkpoint/mnist
python test_model.py --eps 0.15 --gan_path ./checkpoint/mnist/3.tar
python generate.py --data cifar --eps 0.01
python train.py --data cifar --epochs 30 --checkpoint ./checkpoint/cifar
python test_model.py --data cifar --eps 0.01 --gan_path ./checkpoint/cifar/10.tar