新增调试信息

libcore/node_modules/insert-module-globals/example/files/foo/index.js

@@ -0,0 +1,6 @@
+process.nextTick(function () {
+    console.log('in foo/index.js: ' + JSON.stringify({
+        __filename: __filename,
+        __dirname: __dirname
+    }));
+});

libcore/node_modules/insert-module-globals/example/files/main.js

@@ -0,0 +1,6 @@
+console.log('in main.js: ' + JSON.stringify({
+    __filename: __filename,
+    __dirname: __dirname
+}));
+
+require('./foo');