title: Is there a NuGet command to update package.config versions?
body: <p>Is there a way to get <code>NuGet</code> to update versions in package.config to the latest available?</p>
  
  <p>i.e. is there an equivalent command in <code>NuGet</code> for <code>npm</code>'s <code>npm update --save/--save-dev</code>?</p>