Country

This helper provides functions to help dealing with ISO 3166 country codes

	/**
	 * get currencies as options, with code as value
	 *
	 * @return array
	 */
	public static function getOptions()

	/**
	 * Check if given country code is valid
	 *
	 * @param   string  $country  iso 3166 country code
	 *
	 * @return boolean true if exists
	 */
	public static function isValid($country)