Stronghold specifications

Security Software: Anti-Spyware; Antivirus Software; Corporate Security Software; Encryption Software; Firewall Software; Internet Security Software Suites; Monitoring Software; Parental Control; Password Managers; Popup Blocker Software; Privacy Software

Added undo/redo functionality.
Added preferences panel and preferences, using Matt Gremmell SS_PrefsController.
Groupds/records/fields can not be added/deleted unless the application is unlocked.
Improved the operation of the "edit" button, fields can only be added/deleted if the application is in edit mode.