Improved security: access_token and refresh_token are not stored inside the configuration file anymore;
The same tokens are shared between the CLI and GTK2 version; (this is true for the .cat files too)
Term::ReadKey is not used anymore.
Improved the code for the get_term_width() function;
Updated the Build.PL: "threads" and "Thread::Queue" are no longer recommended for gtk-youtube-viewer;
Removed the 'prefer_webm' option. WebM is preferd by default;
Removed the 'donate' button.
Version 3.0.9 is almost ready for release.