manns/pyspread — pull request #94 by vovkkk (2014-09-29 11:30:20+00:00)
Title: Zoom help page; open external links in default browser

Zoom help with `ctrl+scroll`, so just font size will proportionally changing.
External links (like http://python.org) aren’t loaded in `HtmlWindow` (it shows empty white screen), so they should be opened in external browser.