Implemented some ast handlings...

ast lists, and_or, redirection and builtins

src/utils/ast/ast_list.c

@@ -29,7 +29,7 @@ void ast_free_list(struct ast_list *ast_list)
     if (ast_list == NULL)
         return;
 
-    list_deep_destroy(ast_list->children);
+    ast_list_deep_destroy(ast_list->children);
     free(ast_list);
 }
 
@@ -41,7 +41,8 @@ void ast_list_deep_destroy(struct list *l)
     {
         next_elt = elt->next;
 
-        ast_free(elt->data);
+        struct ast *node = (struct ast *)elt->data;
+        ast_free(&node);
         free(elt);
         elt = next_elt;
     }