sort these

always return full message object if tool calls are in response

responses chat session parity with regular completions chat session, rewrite example to match

add example for chat completions tool callin:

chat completions client supports per-request params, like allowed_tools

clear up more info about tool calliing in the readme

update formatting

few readme updates

version bump

add support for tools structure for function calling

version bump

add openrouter example

add openrouter compat client

unify SSE filter, use simplified parsing without lpeg, fixes #7

mention gemini compat client