title: assembly uses System.Web.Http 5.1 which has a higher version than referenced assembly System.Web.Http 5.0
body: <p>I created a new Project in Visual Studio 2013, a WebApi &amp; MVC 5 project and updated all nuget packages. It updated to mvc 5.1. Now I cannot Successfully build the project it says</p>
  
  <pre><code>assembly uses System.Web.Http 5.1.0.0 which has a higher version than referenced assembly System.Web.Http 5.0.0.0
  </code></pre>
  
  <p>Anyone run into this before? Why these kind of problems do occur so often in Visual Studio? Does anybody know how to solve this because I really am trying hard but no luck so far...</p>