Open in Sidebar Ver4.0 Released

New Features in Ver 4.0

・Features
　・User Agent
　　Changing the user agent is available. This feature requires a host permission. Open the options page and enable the host permission to enable this feature. This feature effects all pages of extensions which you have installed.

・Others
　・For Users
　　Fix problem which some options are not saved correctly.
　・For Developers
　　Refactor code.

https://github.com/Soushi-Atsumi/Open-in-Sidebar
https://addons.mozilla.org/firefox/addon/open_in_sidebar/