version=5.00                                                                                                                               
11/08/2007                                                                                                                                  
Added a few exercises.
This module is a ready for a "common authordir"                                                                                            
As temporary fix, the commonpart is present in all new modules..

version=1.03
2/07/2006
corrected typos

version=1.00
1/07/2005


