Added import functionality.
Fixed import bug.
Fixed database directory bug.
Minor edits to database error and added functionality for autocomplete.
Added submission functionality to check-in panel
Edited system for packageID
Edited barcode pattern to reflect 14 digits.
Reorganized packages
Added Initialization for Check In Panel
Changed PersonComboBox to hold String objects instead of Person objects.
Improved functionality of PersonComboBox
Added warning messages to check in for failed printing and email.
Implemented reminder emails on program start.
Split the MainFrame into multiple files.