Cipher/Decipher ROT13

This script will Cipher and Decipher to/from ROT13.

No external modules required. Script written for Python 3, no guarantees for Python 2 functionality.

Usage:

Cipher: python ROT13_Cipher_Decipher.py -c

Decipher: python ROT13_Cipher_Decipher.py -d

Help: python ROT13_Cipher_Decipher.py -h