Bug fixes and improvements.

Minor code updates.

- Improved the code to allow hiding the navigation bar on newer iOS versions. This is an option you may choose under settings.
- Gave a general facelift and some new paint.
- Added a Walkthrough to get you familiar with all the features of Liber Pro!
- Updated deprecated parts of the code, squashed a few bugs, made it compatible with the latest iOS versions.

- Removed the in-app purchases making the annotations and search feature free from here out.
- Removed availability for Mainland China due to local restrictions and requirements.
- Some code clean up and updating.
- Changed the App Version numbering to reflect the iMass numbering system. First number reflects major upgrades, second number is for minor code fixes and third number is for amount of times submitted before being accepted by the App Store.

~ Special thanks to Drake Publications for entrusting Liber Pro's upkeep and future development to the LiveMass.net team. We are humbled to be entrusted the care of this monumental work.

Stability improvements and updates for iOS 14.

- Bug fix for in-app purchase restoration on iPad

- Support for Dark Mode
- Option to invert chant colors in Dark Mode
- Improved placement of chant on iPad and tall devices
- App settings now accessible in the app itself

- Update for iOS 13
- Annotations (In-App Purchase Required)
- Search (In-App Purchase Required)

- Update for iOS 11
- Calendar fix for the Vigil of Christmas falling on Sunday
- Fixed zooming issues from previous version
- Support for split screen on compatible devices
- User-selectable control over the following paging behaviors:
   - Center page after swipe (on by default but can now be turned off via Settings app)
   - Bounce off edges when scrolling (on by default but can now be turned off via Settings app)
   - Page margin

Updated for iOS 8.
Added alternate feast to calendar view.
Added page border option.
Renders native PDF on all devices.
Fixed a few minor calendar inaccuracies.

NOTE:  On some devices, zooming can be slow.

Restored multitasking awareness.

iOS 5 Compatibility

- Fixed bug where Liber Pro would hang when trying to determine the date of the 23rd Sunday after Pentecost in 2011.
- Added support for iPad.
- iPad will render pages as PDF.