make connect() timeout instead of block

Author: jowrjowr

asterisk/ami/client.py

@@ -81,6 +81,7 @@ def next_action_id(self):
 
     def connect(self):
         self._socket = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
+        self._socket.settimeout(self._timeout)
         self._socket.connect((self._address, self._port))
         self.finished = threading.Event()
         self._thread = threading.Thread(target=self.listen)