code: public static boolean successful(HttpResponse response) {
  		
  		int status = assertNotNull(response).getStatusLine().getStatusCode();
  		return status > 199 && status < 300;
  	}
docs: <p>Determines whether the {@link HttpResponse} signifies a successful request execution or not.</p>
  
  @param response
  the {@link HttpResponse} whose success status is to be determined
  <br><br>
  @return {@code true} if the {@link HttpResponse} signifies a successful request execution
  <br><br>
  @since 1.3.0