sslot version 0.2 update (bugfix)

[Lutger]

Lutger wrote:
> I've uploaded a new version using the features of D since 0.173. Perhaps 
> it is useful to those who want return values and other callable types 
> than delegates from objects in their signals:
> 
> http://lutger.ifastnet.com
<snip>

Not sure if anybody is using it, but there was a bug fixed (array bounds 
error of all things...)