New datasets:
- ELI5
- CompGuessWhat?!
- BookCorpus
- Piaf
- Allociné
- BlendedSkillTalk
New features:
- .filter method
- option to do batching for metrics
- make datasets deterministic
New commands:
- nlp-cli upload_dataset
- nlp-cli upload_metric
- nlp-cli s3_datasets {ls,rm}
- nlp-cli s3_metrics {ls,rm}