code: func (c *Context) Query(key string) string {
  	value, _ := c.GetQuery(key)
  	return value
  }
docs: // Query returns the keyed url query value if it exists,
  // otherwise it returns an empty string `("")`.
  // It is shortcut for `c.Request.URL.Query().Get(key)`
  //     GET /path?id=1234&name=Manu&value=
  // 	   c.Query("id") == "1234"
  // 	   c.Query("name") == "Manu"
  // 	   c.Query("value") == ""
  // 	   c.Query("wtf") == ""