@reduct/* dependency levels

[grebaldi]

This causes me some bit of a headache... The more we generalize, the more we get into trouble with our attempt to reduce our dependencies down to zero.

I therefore suggest, that we define a rule that defines "low level" libraries from our side, that are allowed as a dependency inside of the others. We already talked about a Utility Class living besides Assembler - I now need the very same functionality for Registry...

I'm open for other solutions to this, but I think we need to address it soon to stay DRY.