fix namespace of subscript keyword

src/CommUtils.jl

@@ -1,7 +1,7 @@
 module CommUtils
 
 # request and respond cannot be exported because Genie confuse
-export mqttClient, publish, request, respond
+export mqttClient, publish, request, respond, mqttRun
 
 
 include("interface.jl")

src/interface.jl

@@ -225,10 +225,10 @@ end
 """
 function mqttSubOnConnect!(client::mqttClient)
     if client.connectStatus == true && client.subStatus == false
-        for (k, v) in pairs(client.sub)
+        for (k, v) in pairs(client.subtopic)
             if v != ""
                 println("sub to $k")
-                subscribe(client.clientInstance, v)
+                Mosquitto.subscribe(client.clientInstance, v)
                 client.subStatus = true
             end
         end