Updated Link example

Examples/Link.py

@@ -149,6 +149,7 @@ def client_loop():
 
 	should_quit = False
 	while not should_quit:
+		try:
 			print("> ", end=" ")
 			text = input()
 
@@ -161,6 +162,9 @@ def client_loop():
 			if text != "":
 				data = text.encode("utf-8")
 				RNS.Packet(server_link, data).send()
+		except Exception as e:
+			should_quit = True
+			server_link.teardown()
 
 # This function is called when a link
 # has been established with the server