promise example, history.md update for 1.3.0

History.md

@@ -1,3 +1,6 @@
+- 1.3.0 2016-01-26
+  - Promise support (#39, #24) - @PuKoren
+
 - 1.2.2 2015-10-19
   - Bugfix: Fixing domain error issues when error is thrown inside 'work' function (#28).
 

README.md

@@ -138,6 +138,17 @@ memoryCache.wrap(key, function (cb) {
 // { id: 123, name: 'Bob' }
 ```
 
+#### Example Using Promises
+
+```javascript
+memoryCache.wrap(key, function() {
+    return getUserPromise(userId);
+});
+then(function(user) {
+    console.log('User:', user);
+});
+```
+
 Here's a very basic example of how you could use this in an Express app:
 
 ```javascript