     func insert(outRelationship aRel: Relationship) {
         assert(graphStore != nil, "No GrapheStore available")
         
-        // TODO find better place for init, was just a quick bug fix
-        if _outRelationships == nil {
-            _outRelationships = [Relationship]()
-        }
-        
         _outRelationships.append(aRel)
         // TODO: improve details
         graphStore.update(self)

    func insert(inRelationship aRel: Relationship) {
        assert(graphStore != nil, "No GrapheStore available")
        
        // TODO find better place for init, was just a quick bug fix 
        if _inRelationships == nil {
            _inRelationships = [Relationship]()
        }
        
        _inRelationships.append(aRel)
        // TODO: improve details
        graphStore.update(self)

                // //assert(graphStore != nil, "No GraphContext available")
                //TODO ???
            }
            */
            return _inRelationships;
        }
    }
