Calculate the duration of a playlist and display it next to the number of videos
Seznam verzí skriptu, při kterých došlo ke změnám v kódu. Zobrazit všechny verze.
1.1.4 - Fix for new YouTube layout, 1.1.5 - Styling updates
Refactor code, fix outdated stats
Maintenance due to YouTube website changes
Updated @include for better compatibility
Make sure YouTube doesn't hide element by marking as is-empty
