[release] prepping v0.7.0
[help] fix for key extractor
[help] forgot to create compatibility.jade
[background] removed unused variable
[project] added initio anomaly
fixes #37
[project] updated sugar.js
[background] fix: sugar dropped String.has
[help] trim input
[firefox] fixes:
- forgot to clone in background, which resulted in errors e.g. when changing the order
- clone strings as well (should clone Ranges and RegExp as well, but never needed)
[options] class fix
[firefox] fixed messages from background to content
[firefox] don't open the options page if already open
[firefox] proper uloading of the extension
[jade][firefox] removed scripts in firefox
stopped using grep to remove the scripts, switch to a condition in jade
[firefox][options] added note about re-opening the page
the options page has to be closed and re-opened using the action button if the browser restarts
[release] prepping v0.7.1
[firefox] fixed bug in test script
[firefox] build non-minified and source tarballs when building
[background] fix for empty spreadsheets
[background] no longer fail if Google jsapi is unavailable
fixes #38