v0.4.5. Lots of models. NFNets (& NF-ResNet, NF-RegNet), GPU-Efficient Nets, RepVGG, VGG.
Merge pull request #475 from rwightman/pre-release/0.4.5 Prep for PyPi release. Tweak NFNet, ResNetV2, RexNet feature extraction, use pre-act features. Also, add act args to RexNet #202