- Renaming of private member of Initial Condition
 - Beam energy was not set in Read Configuration

   default initialization of min, max, xmin, xmax to 0

 * Update Speg analysis so the event generator is 
   taken directly from the command line

 - fixing couple of bug
 - remove some warning
 - enhance performance

 - Only one read configuration file method
 - lighter code
 - possibility to use TH1F for cross section shoot

 - Add associate class in NPL
 - Add Function in NPL

Some code clean up has been done as well (cosmetic change for the most)

  environment variables.

* The $NPTOOL env. variable is now the only one to be defined for
  running the project.

* Add comments in the $NPTOOL/NPLib/liblist file to specify that
  this file is created automatically.

   + Add HalfOpenAngleMin and HalfOpenAngleMax token in Transfert* files
     to take into account correctly the case where the user want to 
     specify angular range
   + This also takes into account cases where the cross-section file has
     a limited angular range

  in the reaction.

 - Suppress all Tab
 - Arrange indentation

  directory in NPLib