Nested scopes don't seem to capture references

[romainmenke]

function foo() {
	const a = 'a';

	return function() {
		console.log(typeof a); // `undefined`
		console.log(a); // ReferenceError: a is not defined
	}
}

foo()();

[romainmenke]

Maybe fixed by : #138 ?

[BobVarioa]

That specific instance should be fine, but it's only partially fixed by #138. That requires closures which were going to be implemented in a follow up PR