Catch if nothing has been read from the socket

wii-pair/daemon.py

@@ -189,6 +189,10 @@ try:
                 conns.remove(sock)
                 continue
 
+            if len(m) == 0:
+                conns.remove(sock)
+                continue
+
             r = b''
             for w in wiis:
                 if m[0] == ord('w'):