v1.1.1

Firefox download for Spotify2Tabs v1.1.1:
https://addons.mozilla.org/en-GB/firefox/addon/spotify2tabs/

To update your current installation:
Right-click Spotify2Tabs Icon -> "Manage Extension" -> Settings Cog Icon -> "Check for Updates"

Notes:
I mistakenly deleted something that was required for Spotify2Tabs to work.