Tweaked disassembler pretty printing, because I'm bored

scripts/test.toy

@@ -1,3 +1,13 @@
+fn f() {
+    //
+}
 
+fn g() {
+    fn i() {
+        //
+    }
+}
 
-for (var i: int = 0; i < 10; i++) print i;
+fn h() {
+    //
+}