v0.19.0

Changelog

• 37a325a: weibo bug fix and improve (@pansunyou)
• 99f8093: fix instagram download (#1252) (@shavit)
• 9142f2a: Add Rumble extractor (#1232) (@shavit)
• 3da4af3: Added Pinterest video downloading feature (#1253) (@LinuxSploit)
• e8e6bd4: Update Cask URL (#1251) (@shavit)

Full Changelog: v0.18.0...v0.19.0