#Atbash Cipher
An implementation of the Atbash Cipher.
##Where is it from? The BIBLE yo!
##How can I install this?
npm install @tetreault/atbash_cipher
##How to use this module
cipherOutput = atbashCipher('We prepare for operations at midnight.'); // returns "Dv kivkziv uli lkvizgrlmh zg nrwmrtsg."
cipherOutput = atbashCipher(12345); // returns 12345
cipherOutput = atbashCipher(null); // returns null
##Tests
npm test