youtube-dl 2019.02.08

Core

• [utils] Improve JSON-LD regular expression (#18058)
• [YoutubeDL] Fallback to ie_key of matching extractor while making
  download archive id when no explicit ie_key is provided (#19022)

Extractors

• [malltv] Add support for mall.tv (#18058, #17856)
• [spankbang:playlist] Add support for playlists (#19145)

• [spankbang] Extend URL regular expression
• [trutv] Fix extraction (#17336)
• [toutv] Fix authentication (#16398, #18700)
• [pornhub] Fix tags and categories extraction (#13720, #19135)
• [pornhd] Fix formats extraction

• [pornhd] Extract like count (#19123, #19125)

• [radiocanada] Switch to the new media requests (#19115)

• [teachable] Add support for courses.workitdaily.com (#18871)

• [vporn] Remove extractor (#16276)

• [soundcloud:pagedplaylist] Add ie and title to entries (#19022, #19086)
• [drtuber] Extract duration (#19078)

• [soundcloud] Fix paged playlists extraction, add support for albums and update client id
• [soundcloud] Update client id
• [drtv] Improve preference (#19079)

• [openload] Add support for openload.pw and oload.pw (#18930)
• [openload] Add support for oload.info (#19073)

• [crackle] Authorize media detail request (#16931)