Timo Tijhof Krinkle

## cost.js
/**
 * https://tfl.gov.uk/corporate/terms-and-conditions/tfl-call-charges
 *
 * > The rate is 0.66p per minute.
 * > There is also a 40p connection charge.
 * > Call charges are rounded up to the nearest 10p, with a minimum charge of 60p.
 *
 * @param {number} seconds
 * @return {string} Cost in GBP
 */
	/**
	* https://tfl.gov.uk/corporate/terms-and-conditions/tfl-call-charges
	*
	* > The rate is 0.66p per minute.
	* > There is also a 40p connection charge.
	* > Call charges are rounded up to the nearest 10p, with a minimum charge of 60p.
	*
	* @param {number} seconds
	* @return {string} Cost in GBP
	*/