needs to play well with: Suspend Background Tabs Rated 5 out of 5 stars

ref: https://addons.mozilla.org/en-US/firefox/addon/suspend-background-tabs/

Also needs to shove tabs into TMT storage on inactivity... as detected by Suspend Background Tabs?

Additional "Tark" extension functionality would be grand

This review is for a previous version of the add-on (1.3.7).