()</tt> which is mostly intende for
     debugging, a new method <tt>RooAbsArg::printComponentTree()</tt> has been added that prints
     the tree structure of a pdf in a more user-friendly content oriented way. The printing 
     of the leaf nodes (the variables) is omitted in this method to keep the output compact.</li>
</ul>


<a name="roostats"></a> 
<h3>RooStats</h3>

This release contains significant bug fixes and it is strongly
recommended to update to this version if using older ones. 

<h4>Major Ch