Tests to write for hyperbahn

[jcorbin]

• [ ] forwarding a 80kb payload
• [ ] calling connections for non-existant service
• [ ] calling connections with exit nodes down
• [ ] register two services on one hostPort fails
• [ ] send register to entry who is also exit
• [ ] creating a logger
• [ ] forwarding a call response not ok
• [ ] forwarding a error frame from a service
• [ ] sending a message to autobahn with empty service
• [ ] sending an unknown arg1 to autobahn for service autobahn
• [ ] calling the repl_port endpoint
• [ ] sending corrupted json to autobahn arg2
• [ ] sending corrupted json to autobahn arg3
• [ ] decrement k by a set value
• [ ] advertising during a restart does not error