Add message counter

tools/dumper.go

@@ -7,8 +7,14 @@ import (
 	"gitlab.imt-atlantique.fr/xaal/code/go/core/xaal"
 )
 
+var (
+	msgCnt int = 0
+)
+
 func showMessage(msg *xaal.Message) {
 	if !msg.IsAlive() {
+		msgCnt++
+		fmt.Println("Message:", msgCnt)
 		msg.Dump()
 		fmt.Println()
 	}