Metacat

Add code to get filted subtree nodes

Change a method name to mergeEquivlentSubTree.

Implement Comparator interface.

Revise the class.

Change the debugMessage for characters.

Add code for checking if a user try to update inline data.

Add code to handle check inline data if a user update it but the user doesn't have permission to do it.

Move a methods

Add a new class to handle nested subtree access control.

Add code to handle if a unaccessable subtree is another subtree of unaccessable subtree.