text: module.exports = function toReadable (number) {
          let unit = ['', 'one', 'two', 'three', 'four', 'five', 'six', 'seven', 'eight', 'nine',
          'ten', 'eleven', 'twelve', 'thirteen', 'fourteen', 'fifteen', 'sixteen',
          'seventeen', 'eighteen', 'nineteen'];
          let tens = ['', '', 'twenty', 'thirty', 'forty', 'fifty', 'sixty', 'seventy', 'eighty',
          'ninety'];
          let numberString = number.toString();
          if (number === 0) return 'zero';
          if (number < 20) {
          return unit[number];
          }
          if (numberString.length === 2) {
          return (tens[numberString[0]] + ' ' + unit[numberString[1]]).trim();
          }
          if (numberString.length == 3) {
          if (numberString[1] === '0' && numberString[2] === '0')
          return unit[numberString[0]] + ' hundred';
          else
          return unit[numberString[0]] + ' hundred ' + toReadable(+(numberString[1] + numberString[2])).trim();
          }
          }
  