code: func (c *SocketConnection) Send(cmd string) error {
  
  	if strings.Contains(cmd, "\r\n") {
  		return fmt.Errorf(EInvalidCommandProvided, cmd)
  	}
  
  	// lock mutex
  	c.mtx.Lock()
  	defer c.mtx.Unlock()
  
  	_, err := io.WriteString(c, cmd)
  	if err != nil {
  		return err
  	}
  
  	_, err = io.WriteString(c, "\r\n\r\n")
  	if err != nil {
  		return err
  	}
  
  	return nil
  }
docs: // Send - Will send raw message to open net connection