Initial ES modules support

lib/stdlib/console.js

@@ -1,6 +1,8 @@
 // Not as the spec says: it prints its first arg only, because more args need
 // rest params, which need arrays
-const console = {
+import { __native_print_string } from "jsrt:native";
+
+export const console = {
     log(x) {
         // As node does: `-0` prints as `-0`, though String(-0) is "0"
         const negativeZero = typeof x === "number" && x === 0 && 1 / x < 0;