Disconnect from peer can kill spore (so reconnect is impossible)

[XertroV]

Future/Task exception was never retrieved
future: Task(<_connect_loop>)<exception=TimeoutError(110, "Connect call failed ('220.233.5.76', 2281)")>
Traceback (most recent call last):
  File "/usr/lib/python3.4/asyncio/tasks.py", line 298, in _step
    result = coro.throw(exc)
  File "/usr/local/lib/python3.4/dist-packages/spore-0.9.4-py3.4.egg/spore/__init__.py", line 239, in _connect_loop
    local_addr=local_addr)
  File "/usr/lib/python3.4/asyncio/base_events.py", line 419, in create_connection
    raise exceptions[0]
  File "/usr/lib/python3.4/asyncio/base_events.py", line 410, in create_connection
    yield from self.sock_connect(sock, address)
  File "/usr/lib/python3.4/asyncio/futures.py", line 348, in __iter__
    yield self  # This tells Task to wait for completion.
  File "/usr/lib/python3.4/asyncio/tasks.py", line 351, in _wakeup
    value = future.result()
  File "/usr/lib/python3.4/asyncio/futures.py", line 243, in result
    raise self._exception
  File "/usr/lib/python3.4/asyncio/selector_events.py", line 300, in _sock_connect
    raise OSError(err, 'Connect call failed %s' % (address,))
TimeoutError: [Errno 110] Connect call failed ('220.233.5.76', 2281)

[XertroV]

Hmm, this will always fail (in this case) because 220.233.5.76 was me and the client was behind a NAT. This is going to come up a lot, then, so should be dealt with in an appropriate manner.