Add error handling in case server socket fails

main.go

@@ -43,5 +43,9 @@ func handleMtaConnection(clientConnection *bufio.ReadWriter) {
 
 func main() {
 	logger = logging.NewLogger(os.Stdout, os.Stderr, logging.DEBUG)
-	runServer()
+	err := runServer()
+	if err != nil {
+		logger.Errorf("Could not run server: %s\n", err.Error())
+		os.Exit(1)
+	}
 }