Fixed Air Traffic Scenarios Settings menu in which it was not being displayed correctly.

- Updated for iOS 16
- Keypad for Air Traffic Scenarios changed to match keypad on standard keyboard

Version 1.41:
 - Air Traffic Scenario: Fixed bug that prevented math questions from displaying on some compact devices.  Changed button style default to "Keypad"

Version 1.40 - Air Traffic Scenario: - Added option to adjust transparency of buttons.  
                                                             - Added option to select type of input buttons for collisions.

Fixed Bug in Equations and Visual Relationships

Fixed issue with pause button
Added pause ability to Visual Relationships

Minor grammatical fix
Minor error in Equations test fixed

Added history to the results for each test.
Fixed a default settings value.

- Created new setting in Visual Relationships to allow a random point of view
- Added time limits to answering questions in Differences and Equations tests
- Updated Air Traffic Scenario instructions to include "0" button
- In Air Traffic Scenario, added efficiency bonus when no collisions are determined in scenario
- In Air Traffic Scenario, higher efficiency rating is attained by only removing the minimal amount of targets to avoid all collisions
- Redesigned results pages for all tests

Redesigned settings menus.
In Air Traffic Scenarios, time between rounds has been decreased and collisions can no longer happed off screen.
Relocated button positions on iPads for ease of use.