- new menu/expanding prefs design
- unitless rounding fix
- stored settings toggle fix
- added full screen preferences

Display update.
Compliance updates.
Removed itext reference.

New menu/navigation, Factory Reset moved to Preferences, new "What's New" one-time automatic view on first launch of new install or first launch after an update.

Support for iOS 10.

Added native support for iPad.

iOS 7 updates.

iPhone 5 graphics support.

Added support for iOS4 graphics.

Fixes stored memory value crash.

1. Added Introduction/FAQ screen explaining the Backspace operation, Help system, and other important information
- New users: Introduction/FAQ screen loads 1-time automatically on first launch of app
- Existing users: access the Introduction screen from the Info screen by tapping the Info icon

2. Added Tell-A-Friend feature
- Access the Tell-A-Friend feature from the Info screen by tapping the Info icon

3. iOS4 functional compatibility update; persistence handling revised for iOS4