Sign then Encrypt
Convert to cryptor objects
Add GUID to CryptoPeerListener
Access data first element
Cleanup Fixes

- Convert old methods to Cryptor objects
- Remove old debugging statements that crept in somehow

Various fixes

- Remove compression
- Revert asserts
- Implement GUIDMixin specificity
- Remove dupe code
Remove unused zlib
_on_raw_message cleanup

Readjusted the organization of the method.

Fix on_order messup

Remove unused seed_contract_json

This was originally logged for convenience but it's unnecessary work.

Remove unused seed_contract
Remove zlib from requirements
Refactor _on_raw_message

Fixes

- Make is_handshake static method
- remove unreference to exception
add is_handshake test
Remove unnecessary logging due to security concerns

Handle TypeError

Make test data serialized

Make validate_signature static method
Add validate_signature test method
Line length issue

Line length still incorrect