Example Code Broken

[BDiehr]

Nodes crypto library requires an initialization vector to be passed in, where as the example shows just a key.

          | Sun, 30 Aug 2015 23:04:35 GMT dev Error: Invalid IV length
          |     at Error (native)
          |     at new Cipheriv (crypto.js:225:16)
          |     at Cipheriv (crypto.js:223:12)
          |     at CryptoStream (/home/src/node_modules/node-cryptostream/index.js:11:18)
          |     at new EncryptStream (/home/src/node_modules/node-cryptostream/index.js:40:16)