spotify_dl wouldn't be what it is without the help and contributions of following people:
- rhnvrm for adding in youtube-dl
- mr-karan for adding save to directory
- shantanugoel for adding in User playlist, skip MP3 conversion and Ability to use custom format string support
- sildur for adding any user playlist support and other fixes
- avinassh for being a Rockstar and not teleporting over to my house to kill me when I innundated him with questions
- doulwyi for adding id3 tagging and ability to parse Spotify URI
- Gowtham for create playlist in download directory
- alvierahman90 for config file support and Spotify playlist URL support
- Bibhas for fixing can only concatenate list (not "str") to list error
- Nikhil Nagaraju for fixing support for playlist url with or without userid
- Luca for adding YouTube scraping support
- Paul Bissex for better error description
- gonzk for adding Album Art Cover and album, year released and track number song metadata