GitLab

Update validation 

update train_openfold to handle val_mmcif_cache;update datamodule to handle if validation mmcif cache is not provided

Update multi-chain permutation

Fixes for memory usage in multimer dataloader, spatial cropping, and tensor type conversions within model.

Fix multimer boolean tensor error

Added multi-chain permutation steps, multimer datamodule, and training code for multimer

reverse the early stop check back to originl now but the 'enabled must be a bool (got Tensor)' error still persists