title: Cannot read setting from app.config file in same classlibrary
body: <p>I am trying to read settings in a class file, from my app.config file.
  Both files are in a ClassLibrary. Folder structure is as follows:</p>
  
  <pre><code>ClassLibrary
  -Folder1
  --Folder2
  ---ClassFile.cs
  
  App.config
  </code></pre>
  
  <p>The values returned are Null.
  Kindly advise.</p>