Rev the library version number. (#111)

* Rev version number.

* Rev version number.

Author: brendandburns

src/KubernetesClient.csproj

@@ -1,6 +1,6 @@
 <Project Sdk="Microsoft.NET.Sdk">
   <PropertyGroup>
-    <PackageVersion>0.2.0-beta</PackageVersion>
+    <PackageVersion>0.6.0-beta</PackageVersion>
     <Authors>The Kubernetes Project Authors</Authors>
     <Copyright>2017 The Kubernetes Project Authors</Copyright>
     <Description>Client library for the Kubernetes open source container orchestrator.</Description>