SATWORLD-FORUM.COM

YouTubeVideoUrl: update Android client parametrs, thx сергей 999s

YouTubeVideoUrl: use android test suite client, thx SamantazFox

Fallback to ios client if android return wrong player response
It looks like web client streams are throttled regardless of nsig decryption.
Therefore, remove the web client and use ios.

Also improves extraction of m3u8 streams.
On ios the m3u8 playlists contains separate video and audio streams, which need to be combined into one url.

Fix code smell in YouTubeVideoUrl

YouTubeVideoUrl: replace use of a reluctant quantifier

Adds authentication when searching for videos, thx coletdjnz
This should prevent potential blocking when extracting video links.
So far no one has complained because it happens while downloading many links, but I have a feeling that it could be a problem in the future.
Also prevents variable stealing from YouTubeApi class in YouTubeMain.