mxcl/homebrew — pull request #8075 by mbbx6spp (2011-10-11 19:50:05+00:00)
Title: Update io formula to download, build, test & install 2011.09.12 branch 

Update formula to download, build, test and install 2011.09.12 branch of Io instead of the older 2010.06.06. Tested on 10.7 with XCode 4.1 with success.