Fixed inconsistency within stopwatch

This update from Apple will improve the functionality of this app. No new features are included.

Added Full Screen Support for iPhone X
Tested in IOS 11
Bug Fixes

-Added functionality which allows you to assign splits after the swimmers have passed the split zone or finish line. This is really useful when timing multiple swimmers and they are swimming really close.
-Enhanced the user interface for IOS 8.
-Bug Fixes (thanks for all your feedback)

This version supports the new IOS