Updated readme

Author: croweman

README.md

@@ -6,12 +6,21 @@ Node module for in memory caching.
 
 ## Installation
 
-With [npm](http://npmjs.org) do
+With [npm](http://npmjs.org)
+
+
+If using a node version that supports async/await do
 
 ```bash
 $ npm install cache-memory --save
 ```
 
+Otherwise do
+
+```bash
+$ npm install cache-memory@1.0.10 --save
+```
+
 ## Example usage
 
 ```js

package.json

@@ -1,6 +1,6 @@
 {
   "name": "cache-memory",
-  "version": "2.0.1",
+  "version": "2.0.2",
   "repository": {
     "type": "git",
     "url": "git://github.com/croweman/node-in-memory-cache.git"