:nail_care: Enhancement
- Add run delete and file delete to the public API
- Align steps between `tensorboard_sync` and wandb.log() history
- Add `WANDB_START_METHOD` to allow POSIX systems to use fork
- Support mixed types in wandb.Table() with `allow_mixed_types`
:bug: Bug Fix
- Fix potential leaked file due to log not being closed properly
- Improve `wandb verify` to better handle network issues and report errors
- Made file downloads more deterministic with respect to filesystem caches