add missing getBans method

pyweb/mumble/MumbleCtlIce.py

@@ -430,6 +430,10 @@ class MumbleCtlIce_118(MumbleCtlBase):
     def getUptime(self, srvid):
         return None
 
+    @protectDjangoErrPage
+    def getBans( self, srvid ):
+        return self._getIceServerObject(srvid).getBans()
+
     @protectDjangoErrPage
     def getLog( self, srvid, first=0, last=100 ):
         return self._getIceServerObject(srvid).getLog( first, last )