Merge pull request #3 from christav/release-0.0.2

Updates for envconf 0.0.2 release

README.md

@@ -72,3 +72,28 @@ c3.configure('production', function (c) {
   c.useSql('realDatabase', 'actualDb');
 });
 ```
+
+Are you making changes to a global configuration in your unit tests, and want
+to ensure you've restored the state after your test? Use a snapshot:
+
+```javascript
+
+var c4 = envconf.createConfig();
+c4.configure(function (c) {
+  c.set('originalValue', 'one');
+});
+
+// set up contents of c4
+
+var snapshot = c4.snapshot();
+
+c4.configure(function (c) {
+  c.set('originalValue', 'two');
+});
+
+c4.restore(snapshot);
+
+c4.get('originalValue').should.equal('one');
+```
+
+Snapshot/restore also saves and restores any child configurations.

package.json

@@ -6,7 +6,7 @@
     "Rodrigues, Andre <andrerod@microsoft.com>",
     "Tavares, Chris <ctavares@microsoft.com>"
   ],
-  "version": "0.0.1",
+  "version": "0.0.2",
   "description": "a module for express-style programmatic configuration",
   "main": "lib/index.js",
   "tags": ["config", "environment"],