Init. Map does not function and only working on backend at the moment.

node_modules/callsite/Readme.md

@@ -0,0 +1,44 @@
+# callstack
+
+  Access to v8's "raw" `CallSite`s.
+
+## Installation
+
+    $ npm install callsite
+
+## Example
+
+```js
+var stack = require('callsite');
+
+foo();
+
+function foo() {
+  bar();
+}
+
+function bar() {
+  baz();
+}
+
+function baz() {
+  console.log();
+  stack().forEach(function(site){
+    console.log('  \033[36m%s\033[90m in %s:%d\033[0m'
+      , site.getFunctionName() || 'anonymous'
+      , site.getFileName()
+      , site.getLineNumber());
+  });
+  console.log();
+}
+```
+
+## Why?
+
+  Because you can do weird, stupid, clever, wacky things such as:
+
+  - [better-assert](https://github.com/visionmedia/better-assert)
+
+## License
+
+  MIT