Bukkit

What steps will reproduce the problem?
1.set one commandtrigger
Commands:
  test:
    Override: true
    Script:
    - '@CALL test:var'
    - '@PLAYER $test.str'
2.set a test.script.yml
Scripts:
  var:
    Script:
    - '@SETINT $test.int 1'
    - '@SETSTR $test.str test'
    - '@DELVAR i $test.int'
3.execute the test command...

What is the expected output? What do you see instead?
it should output test, but now the whole test object been deleted, so output is 0

What version of the product are you using?
http://dev.bukkit.org/media/files/708/169/VariableTriggers.jar

Do you have an error log of what happened?
None.

Please provide any additional information below.
None.