commit 2c49732bbc230f87be9722bed888b32b37c8c6b4
Author: Christian Ehringfeld <c.ehringfeld@t-online.de>
Date:   Sun Jul 19 14:08:45 2015 +0200

    ...

diff --git a/src/entity.cpp b/src/entity.cpp
index dacd912..d8c7b5a 100644
--- a/src/entity.cpp
+++ b/src/entity.cpp
@@ -19,7 +19,7 @@
 using namespace CuteEntityManager;
 
 Entity::Entity(QObject *parent) : QObject(parent) {
-    //this->id = -1;
+    this->id = -1;
 }
 
 QString Entity::toString() const {