Updated the API set_param_values() function to use model_loop() to get the spin_ids from the cluster.
Bug #22754 (https://gna.org/bugs/index.php?22754): The minimise.calculate() does not calculate chi2 value for clustered residues.
Authored by: tlinnet 2014-10-06
Parent: [r26168]
Child: [r26170]
