* Removed screen flicker when transitioning between screens
* Moved advanced example to subfolder. Added basic example.
* Remove flicker on back navigation too
* Fix issue with no_stack screens added at any time
* Created queue and added show() as a queuable action
* Improved logic in confirm popup - It should not crash if there is no next screen in data
* Fixed indentation
* Made the new queue a lot more stable. Fixed tests.
* Removed debug output
* Fixed issue with html5 builds
