code: func (c *Client) GetUser(token string) (*User, error) {
  	req, err := c.NewRequest("GET", "/user", nil)
  	if err != nil {
  		return nil, err
  	}
  
  	tokenAuth(req, token)
  
  	var u User
  
  	_, err = c.Do(req, &u)
  	if err != nil {
  		return nil, err
  	}
  
  	return &u, nil
  }
docs: // GetUser makes an authenticated request to /user and returns the GitHub User.