Cause image searching to fail

[windias]

https://www.google.com/search?newwindow=1&hl=zh-cn&tbm=isch&oq=site:www.wikiart.org+stone+unicorn+&gs_l=img.3...10840.14829.0.15565.15.11.0.0.0.0.632.1634.2-2j0j1j1.4.0.msedr...0...1c.1.61.img..15.0.0.1TajfCMINdY&q=site:www.wikiart.org%20stone%20unicorn#imgdii=_
The first search result can't be accessed with this extension on.

[koelle25]

Maybe this can fixed by merging #11 ?