[ODE] New release?

[gl]

> I am trying to give you exactly what you want. What I am proposing is
> to move UNSTABLE to HEAD and make that the location for on-going
> development. Then I will create an 0.6.0 release branch which will
> only take bug fixes and changes related to getting a release out the
> door. After 0.6 is released, we can work on new features for a while
> and then create an 0.7 branch. New development is always on the trunk.

Sounds great.
--
gl