README.md in nano-store-0.6.0 vs README.md in nano-store-0.6.1

@@ -31,11 +31,11 @@
 Motion::Project::App.setup do |app|
   app.name = 'myapp'
   
   # Add the pod NanoStore to your project
   app.pods do
-    pod 'NanoStore', '~> 2.5.3'
+    pod 'NanoStore', '~> 2.5.7'
   end
 end
 ```
 
 Now, you can use NanoStore in your app.
@@ -71,9 +71,11 @@
 - NSDictionary
 - NSString
 - NSData (*)
 - NSDate
 - NSNumber
+- NSNull
+- NSURL
 
 #### Note
 
 (*) The data type NSData is allowed, but it will be excluded from the indexing process.
 
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