Rigging

**See the [Migration Guide](https://rigging.dreadnode.io/topics/migrations/#migrating-from-v1x-to-v2x)**

- Async is now the default interface for pipelines and generators
- [Define prompts as functions](https://rigging.dreadnode.io/topics/prompt-functions/)
- [Watch callbacks](https://rigging.dreadnode.io/topics/callbacks-and-mapping/#watch-callbacks)
- Lots of bug fixes and improvements

**Full Changelog**: https://github.com/dreadnode/rigging/compare/v1.3.0...v2.0.0

- Added [Elastic database support for storing chats](https://rigging.dreadnode.io/api/data/#rigging.data.chats_to_elastic)
- Added [`run_over` calls for iterating over generators](https://rigging.dreadnode.io/topics/async-and-batching/#iterating-over-models)
- Fixed bug for serializing `Usage` into Pandas
- Updated vLLM version
- Adding a RAG example from [kyleavery](https://github.com/kyleavery)

**Full Changelog**: https://github.com/dreadnode/rigging/compare/v1.2.0...v1.3.0

- Added support for generation metadata like `stop_reason` and `usage` to `Chat` and `Completion` objects.

https://rigging.dreadnode.io/topics/chats-and-messages/#generation-context-and-additional-data

**Full Changelog**: https://github.com/dreadnode/rigging/compare/v1.1.2...v1.2.0

- Bug fixes for pandas serialization
- Added `params` arg to `get_generator
- Added Python 3.9 support

**Full Changelog**: https://github.com/dreadnode/rigging/compare/v1.1.1...v1.1.2

- Added support for handling failure cases in Message/Completion generation
- Cleaned up dedent in Message

**Full Changelog**: https://github.com/dreadnode/rigging/compare/v1.1.0...v1.1.1

- Added local vLLM and transformers generators
- Auto-dedent on all message contents
- Removed generator prefix args for clarity
- General dependency relock

**Full Changelog**: https://github.com/dreadnode/rigging/compare/v1.0.1...v1.1.0