v0.22.0

Features

• Add Author Verification (#342) (804f3e9)
• Add Video Media (#343) (557130c)
• info: add age_restricted and no_embed_allowed keys to video info' (7fc2df9), closes #321
• info: add deciphered dashmpd, dashmpd2. and hlsvp links to info (b537c50), closes #251
• info: cache ytdl.getInfo() calls to the same videos (dcb7281), closes #331 #332

BREAKING CHANGES

• info: - ytdl.cache -> ytdl.cache.sig