[Zope] Core Session Tracking 0.9 Released

[Chris Withers]

Chris McDonough wrote:
> 
> A new version of the Core Session Tracking product (the first one in six
> months!) has been released.

...and there was much rejoicing :-)

>    - SessionDataContainer keys are now required to be strings
>      (thanks to Anthony Baxter).

Why must they be required to be strings?

cheers,

Chris