public final static void deregisterAll( MListener ... listeners ){
		
		try{
	
			for( MListener listener : listeners ){
				Thread.sleep( 10 );
				ELIST.remove( listener );
				LOGGER.debug("Deregistered message listener [{}].", listener.getName() );
			}
			
		}catch( Exception e){
			LOGGER.warn("Exception while deregistering message listener [{}].", listeners );
		}
		
    }