* Compatibility updates and bug fixes.

* Bug fixes
* Compatibility update

* Fixed issue with the drawing of circles in Practice and Play modes
* Compatibility update

* Improved timed game play start sequence
* Improved layout of game over screen
* bug fix: replay game countdown not working
* bug fix: timer not restarting after viewing a lesson
* bug fix: crasher when starting a new game with no lessons selected

* Compatibility update
* Bug Fix: Timed Play - replay game not working correctly.
* Bug Fix: Layout issue on game over view
* Bug Fix: Divide by zero on stats screen for a rare corner case

* Fixed crash on launch issue.
* Various minor fixes.

* Fix issue with incorrect and missing answers on the Triangle Types lesson Practice and Play.
* Fix crashing issue when playing timed games.
* Improved lesson layout.
* Various minor fixes.

* Fix for possible crasher on launch.
* Fix for crasher in time play setup.
* Fix for Game Center achievement and leader board submission error.
* Improve visibility of enabled/disabled states in time play setup.