Version 0.6

* Will auto-detect if you've loaded motion-xray and enable it.
*Added open_split_screen for iPad-supported apps (thanks @rheoli for your contributions to this)
* Added refreshable to TableScreens (thanks to @markrickert) for pull-to-refresh support.
* ProMotion::AppDelegateParent renamed to ProMotion::Delegate (AppDelegateParent is an alias)
* set_attributes and add now apply nested attributes recursively
* set_attributes and add now accept snake_case instead of camelCase methods (e.g., background_color)
* Added add_to method for adding views to any parent view. remove works with this normally.
* Deprecated Console.log and replaced with PM::Logger
* Many improvements to how screens and navigation controllers are loaded, tests