cachedResults.diff

diff --git a/app/store/charmworld.js b/app/store/charmworld.js
index c164653..7c8d783 100644
--- a/app/store/charmworld.js
+++ b/app/store/charmworld.js
@@ -59,15 +59,21 @@ YUI.add('juju-charm-store', function(Y) {
         apiEndpoint = apiEndpoint + '?' + Y.QueryString.stringify(args);
       }
 
+      var cachedResults = this.get('cachedResults')[apiEndpoint];
+      if (cachedResults) {
+        callbacks.success(cachedResults);
+      }
+
       return this.sendRequest({
         request: apiEndpoint,
         callback: {
-          'success': function(io_request) {
+          'success': Y.bind(function(io_request) {
             var res = Y.JSON.parse(
                 io_request.response.results[0].responseText
                 );
+            this.get('cachedResults')[io_request.request] = res;
             callbacks.success(res);
-          },
+          }, this),
 
           'failure': function(io_request) {
             var respText = io_request.response.results[0].responseText,
@@ -114,6 +120,16 @@ YUI.add('juju-charm-store', function(Y) {
 
   }, {
     ATTRS: {
+      /**
+       * Cached results from non-charm requests.
+       *
+       * @attribute cachedResults
+       * @default empty
+       * @type {Object}
+       */
+      cachedResults: {
+        value: {}
+      },
     }
   });