How to restrict status availability to users

[M IN BLR SISL Srivathsan]

Hi,
 
I have been playing with Eventum 1.6.1 on Windows for a while and I
really find it a great tool.  But there is 1 feature I would love to
have it - restrict status availability to users or atleast, to a group
of users
 
Let me explain in detail.  I have the following (customized) statuses
assigned to a project:

1.	Open
2.	Duplicate
3.	Implementation
4.	Killed
5.	Fixed
6.	Verify FAILED
7.	Verified OK
8.	Abandoned
9.	Closed

I want the bug-assigned developer to use only statuses #2, #3, #5 and #8
in the above list.  I would like somebody with a Reviewer Role to use #6
and #7 and the Project Manager alone to use #9 i.e., close out a bug.
 
I don't see any direct feature available.  But is it possible to
customize Eventum or is there any similar up-coming feature in the
future releases?
 
Thanks and rgds,
Watson