- Configuration.LibationSettingsAreValid is true if Books property exists and is any non-null, non-empty string.
- If LibationSettingsAreValid is false, Libation will prompt user to set up Libation.
- When the main window is shown, Libation checks if the books directory exists, and if it doesn't, user is notified and prompted to change their setting
- When a user tries to liberate or convert a book, Books directory is validated and user notified if it does not exist.
Add version verb with option to check for upgrade
Add Search verb to search the library
Add export file type inference
Add more set-status options
Add console progress bar and ETA
Add processable option to liberate specific book IDs
Scan accounts by nickname or account ID
Improve startup performance for halp and on parsing error
More useful error messages
