v.0.2.0 (2016-08-25)

x Compatibility fixes for multi-process mode (Electrolysis aka e10s) around “unsafe CPOW usage” (#208).
* Updated Portuguese (Portugal) locale (pt-PT), thanks to SW1FT (#210).
x Fixed private protocol in multi-process mode (#211).
x Some tweaks and fixes for multi-process mode (#162).
* Now used only one frame script for communications in multi-process mode (#213).
x Fixed possible recursion in wrapper for tab.setAttribute("image", …) (#214).
x Fixed compatibility with Firefox 51+ (SyntaxError: non-generator method definitions may not contain yield) (#228).
x Fixed detection of duplicated tabs as non-empty (#230).
x Correctly detect tab closing in Firefox 47+ (due to changes in detail property of TabClose event).
x Fixed missing tab favicons in multi-process mode (#224).
+ Added Finnish locale (fi), thanks to hellojole (#226).
* Small internal enhancements and fixes.