ROT13

Submitted by: 
This is a classic implementation of ROT13, Caesar Cipher and Polybius Square (SNJ version w/ 8x8 grid) to encrypt/decrypt text files. Hope you enjoy :) Links: * http://en.wikipedia.org/wiki/Rot13 * http://en.wikipedia.org/wiki/Caesar_cipher * http://en.wikipedia.org/wiki/Polybius_square * http://aralinpilipinas.wordpress.com