Update shields

README.md

@@ -1,7 +1,10 @@
 # Lazy Cache #
 
 [![Build status](https://ci.appveyor.com/api/projects/status/oca98pp4safs4vj2/branch/master?svg=true)](https://ci.appveyor.com/project/alastairtree/lazycache/branch/master)
-[![NuGet](https://img.shields.io/nuget/v/LazyCache.svg?maxAge=2592000)](https://www.nuget.org/packages/LazyCache/)
+![AppVeyor tests](https://img.shields.io/appveyor/tests/alastairtree/lazycache.svg)
+[![NuGet](https://img.shields.io/nuget/v/LazyCache.svg)](https://www.nuget.org/packages/LazyCache/)
+![Nuget](https://img.shields.io/nuget/dt/LazyCache.svg)
+
 
 Lazy cache is a simple in-memory caching service. It has a developer friendly 
 generics based API, and provides a thread safe cache implementation that 
@@ -76,4 +79,4 @@ For .net framework 4.0 use LazyCache 0.6
 
 See [CacheDatabaseQueriesApiSample](/CacheDatabaseQueriesApiSample) for an example of how to use LazyCache to cache the results of an Entity framework query in
 a web api controller. Watch how the cache saves trips to the database and results are returned to the client far quicker from the 
-in-memory cache
+in-memory cache