code: func (prof *Profiles) ByName(name string) (*User, error) {
  	body, err := prof.inst.sendSimpleRequest(urlUserByName, name)
  	if err == nil {
  		resp := userResp{}
  		err = json.Unmarshal(body, &resp)
  		if err == nil {
  			user := &resp.User
  			user.inst = prof.inst
  			return user, err
  		}
  	}
  	return nil, err
  }
docs: // ByName return a *User structure parsed by username