Fix the image in README.md and couple other urls for PyPI
0.0.15
User agent is now responsible for chat history
0.0.14
README.md and other improvements
0.0.13
- Singleton and ModelSingleton in utils.py
0.0.12
- new example: self_dev - README.md - preliminary draft (still contains inaccurate information) - users can enter multiline messages in "conversation" example
0.0.11
- Rename `Node` to `Frozen` - Introduce `MessagePromise.preliminary_metadata` for fields that are available even before tokens are collected