Refactored: Re-organized code to initialize and update UI.
Refactored: Made VerseListAdapter a standalone class.
Improved: Moved several database calls from main thread to worker thread.
Fixed: Corrected string formatting for selected texts.
Refactored: Better method names for VerseListAdapter.
Refactored: Made VersePagerAdapter a standalone class.
Fixed: Eliminated several lint warnings.