Merge pull request #12 from lazychaser/develop

Version 2.0

Author: lazychaser

CHANGELOG.markdown

@@ -1,3 +1,24 @@
+### 2.0.0
+
+*   Added `insertAfter`, `insertBefore` methods.
+*   `prepend` and `append` methods now save target model.
+*   You can now call `refreshNode` to make sure that node has updated structural
+    data (lft and rgt values).
+*   The root node is not required now. You can use `saveAsRoot` or `makeRoot` method.
+    New model is saved as root by default.
+*   You can now create as many nodes and in any order as you want within single 
+    request.
+*   Laravel 2 is supported but not required.
+*   `ancestorsOf` now doesn't include target node into results.
+*   New constraint methods `hasParent` and `hasChildren`.
+*   New method `isDescendantOf` that checks if node is a descendant of other node.
+*   Default order is not applied by default.
+*   New method `descendantsOf` that allows to get descendants by id of the node.
+*   Added `countErrors` and `isBroken` methods to check whether the tree is broken.
+*   `NestedSet::createRoot` has been removed.
+*   `NestedSet::column` doesn't create a foreign key anymore.
+
 ### 1.1.0
+
 *   `Collection::toDictionary` is now obsolete. Use `Collection::groupBy`.
 *   Laravel 4.2 is required