String.prototype.ucwords

@Description: Converts all first letters of words in a string to uppercase. Great for titles.
@File: String/prototype/ucwords.js
@Author: Paul Visco
@Version: 1.0 11/19/07
@Return: String The original string with all first letters of words converted to uppercase.
@Example:

var myString = 'hello world';

var newString = myString.ucwords();
//newString = 'Hello World'