Changes

Code From Github: [https://github.com/maxxboehme/Encryption/tree/master/C%2B%2B/RSA link]

* gprof: Encryption 10MB

The two slowest parts of this encryption method are fastModularExp and findHighestSetBit. A third function, intToByteArray, takes up a relatively small amount of time but may still be able to be optimized.