Trigger 1.3 crashing on Telnet connections

Looks like we introduced a nice new bug w/ telnet:

    Fetching credentials from /home/jathan/.tacacsrc
    Unhandled Error
    Traceback (most recent call last):
      File "/usr/local/lib/python/site-packages/twisted/python/log.py", line 84, in callWithLogger
        return callWithContext({"system": lp}, func, *args, **kw)
      File "/usr/local/lib/python/site-packages/twisted/python/log.py", line 69, in callWithContext
        return context.call({ILogContext: newCtx}, func, *args, **kw)
      File "/usr/local/lib/python/site-packages/twisted/python/context.py", line 118, in callWithContext
        return self.currentContext().callWithContext(ctx, func, *args, **kw)
      File "/usr/local/lib/python/site-packages/twisted/python/context.py", line 81, in callWithContext
        return func(*args,**kw)
    --- <exception caught here> ---
      File "/usr/local/lib/python/site-packages/twisted/internet/posixbase.py", line 586, in _doReadOrWrite
        why = selectable.doRead()
      File "/usr/local/lib/python/site-packages/twisted/internet/tcp.py", line 199, in doRead
        rval = self.protocol.dataReceived(data)
      File "/usr/local/lib/python/site-packages/twisted/conch/telnet.py", line 588, in dataReceived
        self.applicationDataReceived(''.join(appDataBuffer))
      File "/usr/local/lib/python/site-packages/trigger/twister.py", line 1439, in login_state_machine
        next_state()
      File "/usr/local/lib/python/site-packages/trigger/twister.py", line 1508, in state_login_pw
        pw = NetDevices().find(self.host).loginPW
    exceptions.AttributeError: TriggerTelnet instance has no attribute 'host'