title: ODataModel passing "expand" parameter in read
body: <p>I'd like to pass expand parameters to <a href="https://openui5.hana.ondemand.com/docs/api/symbols/sap.ui.model.odata.ODataModel.html#read" rel="nofollow noreferrer"><code>read</code></a> because it doesn't work if I call the service like this:</p>
  
  <pre><code>oModel1.read("/LinesSet?$expand=ToCells", {
  </code></pre>