Tweak closure that wraps the serialized output

This has no affect on app code, it's merely a rename of a local variable
from `g` to `root`.

HISTORY.md

@@ -8,6 +8,11 @@ NEXT
 
 * Added `.npmignore` file. ([#15][])
 
+* Tweaked closure that's wrapped around the serialized data and namespace
+  initialization. There's no affect on app code, this is merely renaming a local
+  variable from `g` to `root` which is the reference to the root or global
+  object that the namespaces hang off of.
+
 
 [#15]: https://github.com/yahoo/express-state/issues/15
 [#17]: https://github.com/yahoo/express-state/issues/17

README.md

@@ -313,17 +313,17 @@ console.log(app.locals.state.toString());
 The output of the `console.log()` call would be:
 
 ```javascript
-(function (g) {
+(function (root) {
 // -- Namespaces --
-g.foo || (g.foo = {});
-g.a || (g.a = {});
-g.a.very || (g.a.very = {});
-g.a.very.big || (g.a.very.big = {});
+root.foo || (root.foo = {});
+root.a || (root.a = {});
+root.a.very || (root.a.very = {});
+root.a.very.big || (root.a.very.big = {});
 
 // -- Exposed --
-g.foo = {"bar":"bar"};
-g.foo.baz = /baz/;
-g.a.very.big.ns = function () { return 'bla'; };
+root.foo = {"bar":"bar"};
+root.foo.baz = /baz/;
+root.a.very.big.ns = function () { return 'bla'; };
 }(this));
 ```
 

lib/exposed.js

@@ -64,7 +64,7 @@ Exposed.prototype.toString = function () {
     this.__namespaces__.forEach(function (namespace) {
         var parts    = namespace.split('.'),
             leafPart = parts.pop(),
-            nsPart   = 'g';
+            nsPart   = 'root';
 
         // Renders the JavaScript to instantiate each namespace as needed, and
         // does so efficiently making sure to only instantiate each part of the
@@ -87,11 +87,11 @@ Exposed.prototype.toString = function () {
 
     return [
         '',
-        '(function (g) {',
+        '(function (root) {',
         '// -- Namespaces --',
         namespaces.join('\n'),
         '',
-        '// -- Exposed --',
+        '// -- Data --',
         exposed.join('\n'),
         '}(this));',
         ''