ipup/PPRevealSideViewController — pull request #17 by nerdery-isaac (2012-09-14 19:49:52+00:00)
Title: Insert check that _rootViewController is not nil

Insert check that _rootViewController is not nil in setRootViewController: before performing significant operations on it (notably, [self addChildViewController:_rootViewController] seems to, under the hood, insert _rootViewController into a mutable array, which will throw an exception if _rootViewController is nil).