nsf/godit — pull request #5 by mattn (2013-05-01 13:05:27+00:00)
Title: Correct rune width

https://github.com/nsf/termbox-go/pull/21

I know runWidth is in also termbox-go. So if you mind this, please move it into some where.
And I'll working to add utf8.RuneWidth() into unicode/utf8 after the release of go1.1