Just for future, as this gives us a way to know immediately in the type, which represent normal, and which singleton classes
Also instantiate singleton class lazily (with singleton type)
This makes the type of class single, ie unique, immediately when it is used, ie methods or variables defined.
Fixes a design mistake, where all singletonn classes shared the same type, and thus unique methods per class were impossible
(Also some misc in commit)
resolve had the wrong approach, sort of class based oo
It took methods from "derived" types and just used them
To be correct, those methods would have to be recompiled for the current type, rubyx is type, not class based.
Started on that, still soe strange hang though
Later, type and method analysis may reveal "compatible" types (down only off course) where one could use the exact same code, but that is phase 2
