Set default config on configuration error to allow listing midi connections before configuration.

config.go

@@ -48,7 +48,7 @@ func (a *App) ReadConfig() {
 	} else if _, err := os.Stat(etcConfig); err == nil {
 		configFile = etcConfig
 	} else {
-		log.Fatal("Unable to find a configuration file.")
+		log.Println("Unable to find a configuration file.")
 	}
 
 	// Load the configuration file.
@@ -68,6 +68,7 @@ func (a *App) ReadConfig() {
 		fig.Dirs(filePath),
 	)
 	if err != nil {
+		app.config = config
 		log.Printf("Error parsing configuration: %s\n", err)
 		return
 	}

main.go

@@ -15,7 +15,7 @@ import (
 const (
 	serviceName        = "midi-request-trigger"
 	serviceDescription = "Takes trigger MIDI messages by HTTP or MQTT requests and trigger HTTP or MQTT requests by MIDI messages"
-	serviceVersion     = "0.2"
+	serviceVersion     = "0.2.1"
 )
 
 // App is the global application structure for communicating between servers and storing information.