* Prefix and Suffix support for TextFields
* Adding Tests
* Removing spurious newline.
* Fixing a small problem with the test
* Code review changes
* Code Review Changes
* Review Changes
* Export the new StrokeJoin enum
* Added example for line styles, and enabled line join styles.
* Reverting inadvertent change to main.dart.
* Updated due to code review of engine code
* Removed example.