Entity name in generated XML

[MERZAK-X]

The generated xml document contains data as following, the <XmlDocument> tag should be replaced with the name of the objects inside the document.

<?xml version="1.0" standalone="yes"?>
<DocumentElement>
-  <XmlDocument>
    <id>1</id>
    <name>TEST</name>
-  </XmlDocument>

<?xml version="1.0" standalone="yes"?>
<DocumentElement>
+ <user>
    <id>1</id>
    <name>TEST</name>
+ </user>
</DocumentElement>

[MERZAK-X]

This issue #25 only affects newly created Xml documents.