MessageQueue:

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   Creates a message queue GUI. Once opened, it stays open. 
   It accumulates messages from any function that sends messages to the queue.

   Add this to your code whenever you want a to alert the user to an error.

   MessageQueue('add', myFunction ,'The error','error');

   Add this to your code whenever you want a to send the user a message.

   MessageQueue('add', myFunction ,'The message');

   You can turn on a sound notification. Use MessageQueue( 'sound on' ).

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   Form:
   MessageQueue( action, modifier, msg, err )
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   ------
   Inputs
   ------
   action          (1,:)   Action to be taken 
   modifier        (1,:)   Action modifier
   msg             (1,:)   Message
   err             (1,:)   If anything entered an error

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   Outputs
   -------
   none

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Children:

Common: General/CloseFigure
Common: General/FSWClock
Common: Help/HelpSystem