ERRest: Add name to node with primitive object

This pull request add name to node with primitive object. 
Before that we have such response:
<tabTypes2 type="String">
<null>123</null>
<null>456</null>
</tabTypes2>

And after nodes have valuable names:
<tabTypes2 type="String">
<String>123</String>
<String>456</String>
</tabTypes2>