@Description: Finds the minimum value in an alpha/numeric array. Sorts alphanumerically and chooses the lowest. Numbers are higher than letters, so 'apple' is lower than 1
@File: Array/prototype/min.js
@Author: Paul Visco
@Version: 1.1 11/19/07
@Return: String/Number Returns the min value
@Example:var myArray = [5, 10, 15];
var answer = myArray.min();
//answer = 5;