Start cleaning up linter errors. (#358)

* Start cleaning up linter errors. For #357

* Fix unmarshalling NullTime values

* More linter fixes

* Remove commented code

* Move defer up

* Consolidate error check lines

* Move error check to make sure row iteration was successful

* Cleaner error check + do not recreate pipe if it exists

* Consolidate hashing to generate client id

controllers/connectedClients.go

@@ -12,5 +12,7 @@ func GetConnectedClients(w http.ResponseWriter, r *http.Request) {
 	clients := core.GetClients()
 	w.Header().Set("Content-Type", "application/json")
 
-	json.NewEncoder(w).Encode(clients)
+	if err := json.NewEncoder(w).Encode(clients); err != nil {
+		internalErrorHandler(w, err)
+	}
 }