title: Azure App Center Data SDK multiple models issue
body: <p>I am using App Center's Data SDK with Xamarin Forms. I've got two models Banks &amp; Payment Methods. I am allowing the user to create new objects of both &amp; saving them in App Center's Data using the following methods:</p>
  
  <pre><code>var result = await Data.CreateAsync(newBank.Id.ToString(), newBank, DefaultPartitions.UserDocuments);
  var result = await Data.CreateAsync(newMethod.Id.ToString(), newMethod, DefaultPartitions.UserDocuments);
  </code></pre>
  
  <p>Where newBank is of type Bank &amp; newMethod is of type Payment Method. </p>
  
  <p>When I retrive banks though, I get a list of all documents, including ones for payment methods. 
  This is how I am retrieving them. </p>
  
  <pre><code>var banks = await Data.ListAsync&lt;Bank&gt;(DefaultPartitions.UserDocuments);
  </code></pre>
  
  <p>Similarly, while retrieving PaymentMethods, I am getting the bank's objects too. </p>
  
  <pre><code>var methods = await Data.ListAsync&lt;PaymentMethods&gt;(DefaultPartitions.UserDocuments);
  </code></pre>
  
  <p>Do you spot something wrong I am doing here? I can not see it? </p>
  
  <p>Any help is appreciated in this. Thank you. </p>
  
  <p>Regards
  ST</p>