Issues Addressed

Resolved issue with reader.txt not saving properly
Resolved issue with reader.txt and desc.txt not always saving in proper Encoding
Fixed the progress bar when refreshing the library

Enhancements

Moved configuration to it's own tab in UI
Added a split panel so the left and right half of the UI can be resized
Reorganized the UI
Moved cover image change button to a right-click menu on the image preview
Changed the left-click on the Cover Image to expand the image to be displayed to the full UI
Clicking anywhere in the expanded image will close the expanded image
Added a cancel button to the status bar to cancel a library refresh while in progress
Cancelling will finish the current sub-folder and then load what it has processed so far to the Library Tree
Added text to the status bar to show what percentage and what directory is being processed
Added a checkbox to selectively refresh the library on app start
Added ability to set default file encoding for the reader.txt and desc.txt in the Configuration tab
Default encoding is UTF-8
Added search results to status bar
Looped search results so searching for next will loop around the tree
Code cleanup