Overall enhancement
Downgraded CmdLineArgumentParser class due to parameter clashing issues
Implemented file handle lock checking upon deploying/uninstall the application
Fixed occasional exception thrown when no item has been selected after clearing the history via the menu bar
Fixed & implemented restrictions
Removed flawed infinite elevation cycling "fix"
Implemented parameter /elevated to prevent re-elevating the process (#4)
Added various functional/GUI-related features
Added an optional value input for the /quiet parameter. 0 to suppress general notifications; 1 to supress notifications AND ERRORS; 2 to supress notifications, errors and the usage notice; defaults to 0 if omitted