lib/utils.js
function numberArrayToString(a) {
  var s = '';
  for (var i in a) {
    s += String.fromCharCode(a[i]);
  }
  return s;
}
function numberArrayToString(a) {
  var s = '';
  for (var i in a) {
    s += String.fromCharCode(a[i]);
  }
  return s;
}
function numberArrayToString ( a ) { var s = '' ; for ( var i in a ) { s += String . fromCharCode ( a [ i ] ) ; } return s ; }
Convert an array of numbers to a string.

@param {Array.<number>} a array to convert
@return {!string} resulting string
Convert an array of numbers to a string .