Fix for error and crash when trying to add books on some devices.

Fixed bug that produced a crash when scanning barcodes and quickly moving into and out of the scanner mode.

All new barcode scanner used when adding books to your catalog. More efficient, better barcode recognition, and faster.

Fixed a crashing bug when trying to add books on some OS/device combinations.

Fixes for layout on newer iPhones.
Fix for layout and scanning position of barcode scanner window when adding books using camera.
Various UI fixes.

• Select from over 1000 library sources for your books and media
• Browse by collection, authors, or tags from the top level of your catalog.
• Updates for new devices
• Multiple bug fixes

• Added comments and private comments to book details pages
• Fixed a problem that could cause crashes on iOS10 devices.

• Internal changes for better server performance.

* Improvements to barcode recognition when adding items
* Sort Your Books
* Long text items on books details are no longer truncated
* Numerous other features and minor fixes

• Fixed a bug that could cause the app to run in letterbox mode on certain models of phone.