Merge pull request #13 from stanford-oval/george1459-patch-1

Update README.md

Force newer langchain version

Relax some test output checks

Remove unneeded code

Update logo

Update LiteLLM to version `1.65.4`; fix minor bug in logging template system messages

Bump version to 0.4.2 and update litellm dependency to 1.61.7

Fix prompt logs when logprob is used

Simplify retry logging

Fix cache of logprobs

Add reasoning_effort and max_tokens to cache key

Bump version to 0.4.1

Pass api_version, so that `o3-mini` on Azure works.

Bump version to 0.4.0