correct syntax errors in core scripts

streamline.ce

@@ -16,4 +16,7 @@ var ast = parse(result.tokens, src, filename, tokenize)
 var folded = fold(ast)
 var compiled = mcode(folded)
 var optimized = streamline(compiled)
-print(json.encode(optimized))
+print(json.encode(optimized, true, function(k,v) {
+  if (is_array(v)) return json.encode(v)
+  return v
+}))