Migrate to OpenAI v2 (#744)

Update OpenAI API key link in README (#736)

Add check for empty choices in response chunks (#738)

Fix failing unit tests (#733)

Minor lint fixes

Modify shell command minor test fixes

Implement modify option for generated shell command (#566)

Retain system role message in cache file

Release 1.4.5 (#684)

Message cache length fix (#683)

Preserve system message in the chat message cache (#669)

Update Python version requirements and dependencies (#671)

Fix --show-chat and --repl to respect --no-md (#513)

Replace removed unittest.mock assertion (Python 3.12) (#554)

Option for LiteLLM to manage API keys (#604)