code: function pad(str, length, char) {
  	return new BespokeString(str).pad(length, char).toString()
  }
docs: Helper method for padding a string.
  @param  {String} str    The string to pad.
  @param  {Number} length Target length.
  @param  {String} char   Character to use for pad.
  @return {String} The padded string.