All instance constructions are now scoped locally instead of globally.
Models
Fixed the loss gradient calculations for the GenerativeAdversarialNetwork, CondititionalGenerativeAdversarialNetwork, WassersteinGenerativeAdversarialNetwork and ConditionalWassersteinGenerativeAdversarialNetwork
ReinforcementLearningStrategies
Fixed the loss gradient calculations for the GenerativeAdversarialImitationLearning and WassersteinGenerativeAdversarialImitationLearning.