Fragmentation Versions Save

• fix BadParcelableException && NullPointerException(FragmentAnimator.getEnter()) #1079 #1122 #1014 #1004
• Compatible with #1031 (v27.1.0+) Can not perform this action after onSaveInstanceState
• Fix #1112, SwipeBackFragment does not completely pop
• Optimize DebugStackBubble

• fix #960 queue exceptions
• fix #949 #942 extraTransaction().setCustomAnimations() exitAnimation is not working

• Add startDontHideSelf(fragment, launchMode) - #882
• Fix #875, not callback onEnterAnimationEnd() when calling extraTransaction().setCustomAnimations().start()

• Optimize timing of onFragmentResult() callbacks. #866
• Compatible with #863 (v27.1.0+)
• FragmentAnimator.setEnter/Exit/popEnter/popExit() will return to itself

• Fix #807, fix may mistakenly remove State-Fragment(no view) BUG

Fix popTo() animation display incorrect issue

• Added startWithPopTo()
• #791, improve the stability of pop()/popTo()
• #766, restore rootView's clickable status
• Fix #783, onSupportVisible() is not called sometime on nested Fragments(FragmentStatePagerAdapter): https://stackoverflow.com/questions/44052437/uservisiblehint-is-false-on-selected-viewpager-fragment-managed-by-fragmentstate

• Fix #778, fix afterTransactionRunnable is called before popTo()
• Fix #695, fix black background when closing SwipebackActivity with Animations or Transitions
• Fix #653, fix startWithPop() may cause unexpected issues

Fix

• FixgetHander.removeCallbacks(myRunnable); sometimes not working
• Fix #758, fix StackBubble may cause the NullPointerException

Optimize:

• Replace the better ViewDragHelper.java
• Add getViewDragHelper() to SwipeBackLayout.java
• Add STATE_FINISHED to OnSwipeListener'onDragScrolled(state)

• Optimize the timing of onSupportVisible() & onSupportInvisible() calls for ParentFragment and ChildrenFragment. #586
• Optimize #733