youtube-dl 2020.11.01.1

Core

• [utils] Don't attempt to coerce JS strings to numbers in js_to_json (#26851)
• [downloader/http] Properly handle missing message in SSLError (#26646)
• [downloader/http] Fix access to not yet opened stream in retry

Extractors

• [youtube] Fix JS player URL extraction
• [ytsearch] Fix extraction (#26920)
• [afreecatv] Fix typo (#26970)
• [23video] Relax URL regular expression (#26870)

• [ustream] Add support for video.ibm.com (#26894)

• [iqiyi] Fix typo (#26884)

• [expressen] Add support for di.se (#26670)

• [iprima] Improve video id extraction (#26507, #26494)