2.8

!! AFTER THIS UPDATE YOU WILL NO LONGER BE ABLE TO OPEN OLD MESSAGES OR COMMUNICATE WITH OUTDATED NODES. YOU ARE ADVISED TO DELETE MESSAGES.DB WITH THIS UPDATE.

~Added Address Book
~Added AES Encryption(mandatory update, boys and girls!)
~Updated antispam to require a more difficult hash for a larger message(as long as this is a mandatory update, I figured I may as well get this out of the way)
~Removed the notice that was displayed when spam was blocked

aes.py is an Apache-Licensed file created by Josh Davis and Alex Martelli from the SlowAES project