Don't base64 encode encrypted messages by default.
Breaking change:
encryptandencrypt-todo not encode its output as base64 per default anymoredecryptanddecrypt-fromdo not expect its inputs base64 encoded per default anymore
Feature:
encrypt,decrypt,encrypt-toanddecrypt-fromnow take an optional parameter--base64(or-b) to encode/decode message contents as base64
Initial release