def deliver
      xml = Clockwork::XML::SMS.build_multiple( self.messages )
      http_response = Clockwork::HTTP.post( Clockwork::API::SMS_URL, xml, @use_ssl )
      responses = Clockwork::XML::SMS.parse_multiple( self.messages, http_response )
    end
def deliver
      xml = Clockwork::XML::SMS.build_multiple( self.messages )
      http_response = Clockwork::HTTP.post( Clockwork::API::SMS_URL, xml, @use_ssl )
      responses = Clockwork::XML::SMS.parse_multiple( self.messages, http_response )
    end
Deliver multiple messages created using Clockwork::API#messages.build.
 @return [array] Array of Clockwork::SMS::Response objects for messages.