0.6.0

Changes between 0.5.1 and 0.6.0

• New package name: sopel-youtube replaces sopel-modules.youtube (#55, #67)
• Sopel 8.0+ now required (#57, #65)
• Improve link handling (#56, #58)
• Improve thread-safety (#63)
• Fix date parsing error for playlists (#62)

Release deleted and recreated due to broken PyPI publishing settings.