title: Nancy support for .NETCoreApp
body: <p>Trying to add the Nancy package to a new project. In project.json (dependencies segment) red squigly under "Nancy": "1.4.3". Mouseover displays an error relating to support for .NETCoreApp</p>
  
  <p><a href="https://i.stack.imgur.com/4QUVa.png" rel="nofollow noreferrer"><img src="https://i.stack.imgur.com/4QUVa.png" alt="Nancy .NETCoreApp project.json error"></a></p>