Fixed bot detection on all clients

[felipeucelli]

Fixed bot detection on all clients #421

As discovered here #386 (comment) during A/B testing, YouTube now requires visitorData to be sent, otherwise a bot detection error is returned.

So now pytubefix will retrieve the visitorData and send it in the API request.

This does not resolve bot detection issues when the IP is already blocked.

Changes

• inserted visitorData for all clients

• Retrieved visitorData from html for poToken clients, and from API response for non-poToken clients (this improves performance)

• MWEB client now requires poToken to obtain functional streams

• This PR also fixes: TypeError: int() argument must be a string, a bytes-like object or a real number, not 'NoneType' #420

[NannoSilver]

PR closed without merging?

[Cat-Pog-Real]

I used this and it fixed the bot detection errors thx.

[mcondesso]

Same for me, this branch fixed the bot detection bots, working perfectly, please consider reopening the PR.