Forgot to remove codeDumpFunc when CodeRelay is freed

Signed-off-by: Scott Wilson <i@scottwilson.ca>
Add de-/encryptBytes methods to NonEncryptor

Signed-off-by: Scott Wilson <i@scottwilson.ca>
Security improvements

- add encryptor option to all relays and chat
- use binary archiving instead of text archiving when sending objects to avoid using the interpreter
- additional type checks in SynthDescRelay and OSCObjectSpace

Signed-off-by: Scott Wilson <i@scottwilson.ca>