rg3/youtube-dl — pull request #1811 by iTaybb (2013-11-23 08:27:59+00:00)
Title: Log to an external logger (fixes #1810)

Sadly applications using youtube-dl's python sources can't directly
access it's log stream. It's pretty much limited to stdout and stderr
only.

It should log to logging.Logger instance passed to YoutubeDL's params
dictionary.

(Fixes #1810)