Final commit

Rewrite of our original try

tree/inc/tree.h

@@ -7,6 +7,10 @@
 
 typedef struct Node
 {
+    /**
+     * Parent of this node
+     */
+    struct Node *parent;
     /**
      * Left child of this node
      */
@@ -91,5 +95,6 @@ void tree_print(Tree *tree, int printNewline);
  * @return
  */
 Node *tree_find(Tree *node, int age, char *name);
+char *checkChildrenRelationship(Node *parentNode);
 
 #endif // C_IMPLEMENTATION_TREE_H