* [Feature] Add TIMM and HuggingFace wrappers to build classifiers from them directly.
* Support `with_cp` and add docstring.
* Add unit tests.
* Update CI.
* Update docs.
* [CI] Add Circle CI for mmcls 1.x
* Fix circle-ci config
* Use `torch.cat` instead of `torch.hstack` to compat with PyTorch 1.6
* Compat the behavior of LongTensor in PyTorch 1.6
* Avoid random behavior in the unit test of Lighting
* Fix cuda ci
* Remove github workflow temporarily.