more instances
Work towards splitting the stack
split refs
drop lambdacase. shared copyright
We can no longer use Conventional. We split out a separate Syntax.Sort for G.

More work on splitting the stack, more work to do, however.
fleshed out the interpreter a lot more

does eval need 2 more arguments to track # of pending arguments and the
lambda form's bound variable count?
Fixed Pretty.G
commented out enough of the core compiler that we can build