This is a project for testing and experimentation with UISplitViewController
It uses elements from a tutorial by Keith Harrison at https://useyourloaf.com/blog/split-view-controller-display-modes/ with a repository at: https://github.com/kharrison/CodeExamples/tree/master/AllVisible
It also has logic copied from StackOverflow post and embellished http://stackoverflow.com/questions/28573900/animate-replace-detail-view-in-uisplitviewcontroller/31585980#31585980
It also contains code from OpenLibrary Browser.