def nimbus_exception_handling
      begin
        yield
      rescue SystemExit => ex
        raise
      rescue Nimbus::Error => ex
        display_error_message(ex)
        Nimbus.stop
      rescue Exception => ex
        display_error_message(ex)
        Nimbus.stop
      end
    end
def nimbus_exception_handling
      begin
        yield
      rescue SystemExit => ex
        raise
      rescue Nimbus::Error => ex
        display_error_message(ex)
        Nimbus.stop
      rescue Exception => ex
        display_error_message(ex)
        Nimbus.stop
      end
    end
Provides the default exception handling for the given block.