l>



  <h4>MCMCCalculator</h4>
  <ul>
 <li>Add possibility to specify the prior function in the constructor of the class to have a signature similar to the <tt>BayesianCalculator</tt> class. When no prior is specified it is assumed is part of the global model (pdf) passed to the class.</li>
</ul>
  
<h4>Improvements and Bug fixes</h4>
<ul>
  <li>
Various improvements and fixes have been applied also to all the calculator classes. Internally now the <tt>RooArgSet</tt> objects are used by value instead of a 