code: function local_parseInt(str, from, to) {
    var fn = assignFn(from, to);
    return convert[fn](str + '');
  }
docs: A buffed-up version of the standard `parseInt` function
  @param str, the value to convert. Is coerced into a String.
  @param from, [Number], a base to convert from
  @param to, [Number] a base to convert to
  @return, the result of a call to a base conversion function