Oer dizze útwreiding

Displays tabs hierarchially in the sidebar. Other tabs opened from a tab will be displayed as children of the tab.

Permissions used:
- tabs: Display information and manipulate about tabs.
- session: Enable session persistence.
- menus: Display context menus in sidebar
- bookmarks: Enable bookmark context menu function
- cookies & contextualIdentities: display container color in sidebar

Wurdearje jo ûnderfining

Utjefte-opmerkingen foar 0.4.7

- Fixed issue preventing a blank tab to be reopened in a new container

Brûkt troch