Added Address Book, use add_addr to add an address. To send to an address booked address, just use that entry's name in the To field of the send command.
Forgot to add changes in db.py to last commit.
Added AES Encryption(the AES key is encrypted by the RSA key) to fix problems with messages having a maximum size of 501 bytes
Forgot to uncomment error-checking code in read.py(It was commented for debugging)
Updated antispam to require a higher hash difficulty in order to send a larger message.
Merge pull request #2 from peapodamus/master

2.8