added option to pass in algorithm and initialization vector to cipher…

[wesleylhandy]

…iv and decipheriv crypto methods if they exist otherwise default to deprecated cipher and decipher methods and original configuration

[bluepnume]

Hello all.

This module is no longer being actively maintained as part of the krakenjs org. We will likely be closing this repo. If you want to take ownership of the repo and maintain it going forwards, please reach out to me.