[USAGE]
Select 'Update' tab.
Upload your iTunes Music Liabrary XML file to a HTTP server.
Set an URL to the data file, then press 'Download Library' button.
The XML file is downloaded. Records are shown in the table.
Push 'Update Database' button to save the records to the local database.
Select 'Search' tab.
Input keyword(s). White space is a delimiter for multiple keywords.