Torch-kitti

Fixed

- Fixed python 3.7 support
- Fixed memory leak removing DataElem data caching

Added

- Added the ``elems`` interface to customize datasets

Changed

- Changed the ``__init__`` interface to initialize raw, depth prediction and depth completion datasets

Fixed

- Fixed intrinsics returned by KittiDepthCompletionDataset

Fixed

- Fixed random state handling in ApplyToFeatures

Fixed

- Fixed transform application in KittiDepthCompletionDataset when using `load_previous` and `load_stereo`
- Fixed transform application in KittiRawDataset when using `load_previous`

Added

- Added KittiRawDataset `download` implementation for 'sync+rect'
- Added KittiRawDataset `load_previous` option
- Added ratio_threshold metric function

Fixed

- Fixed testing fixture `depth_completion_path` for validation data generation
- Fixed KittiDepthCompletionDataset `load_previous`
- Fixed KittiDepthCompletionDataset on test data loading
- Fixed KittiDepthPredictionDataset `load_previous`
- Fixed KittiDepthPredictionDataset on test data loading