Fix. `multi.setopt` supports socket callback. Change. `socket_acttion` without args means timeout action. Change. cURLv3 multi supports options in callback. Add. `multi-uv` example.
Fix. `multi.setopt` supports socket callback. Change. `socket_acttion` without args means timeout action. Change. cURLv3 multi supports options in callback. Add. `multi-uv` example.