WIP: Scopes weren't tracking their content sizes

'print' no longer segfaults from a long chain of indirect memory frees.

It still doesn't work though, which is odd.

scripts/benchpress.toy

@@ -1,17 +0,0 @@
-//calculate the nth fibonacci number, and print it
-
-var counter: int = 0;
-
-var first: int = 1;
-var second: int = 0;
-
-//This causes integer overflow, but that's fine for now
-while (counter < 100_000) {
-	var third: int = first + second;
-	first = second;
-	second = third;
-
-	print third;
-
-	++counter;
-}