AnonTunnel Main entry point works again, without the need of Tribler
fixed AnonTunnel.tunnel property
Extending is now NAT-compatible, sacrifices control of the origin. Each hop now decides who will be next hop. Also you can extend circuits from the command line using the command 'e <circuit_id>'. Automatic extension is currently not implemented.
Simplified routing table, using per-pair-circuit-ids instead of global ids. Tunnels with >= 2 hops fixed