Don't test own address when testing whole bus

Author: alexforencich

vxi11/vxi11.py

@@ -1043,7 +1043,8 @@ def send_ifc(self):
     def find_listeners(self, address_list=None):
         "Find devices"
         if address_list is None:
-            address_list = range(31)
+            address_list = list(range(31))
+            address_list.remove(self._bus_address)
 
         found = []