#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