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