domenic/sinon-chai — pull request #7 by kmiyashiro (2012-04-09 21:29:11+00:00)
Title: Do not use Function.prototype.bind for browser compat

Since you are only using slice once, this should not be a big deal. `bind` does not exist in a lot of headless webkit drivers, like phantomjs. This fixes #5 as well, I think.