exit wait_until_connected() when all servers have been tried

lib/network.py

@@ -177,7 +177,8 @@ class Network(threading.Thread):
     def wait_until_connected(self):
         "wait until connection status is known"
         if self.config.get('auto_cycle'): 
-            while not self.is_connected():
+            # self.random_server() returns None if all servers have been tried
+            while not self.is_connected() and self.random_server():
                 time.sleep(0.1)
         else:
             self.interface.connect_event.wait()

scripts/peers

@@ -3,11 +3,11 @@
 import time, electrum
 
 electrum.set_verbosity(False)     # default is True
-network = electrum.Network({'verbose':False})
+network = electrum.Network({'auto_cycle':True})
 network.register_callback('peers',lambda: electrum.print_json(network.irc_servers.keys()))
 
 if not network.start(wait=True):
-    print "Not connected [%s]"% network.interface.server
+    print "Not connected"
     exit(1)
 
 print "Connected to", network.interface.server