13-Jul-2001  Combine Set_Name  and  NameList class (they are allmost
            identical) and keep NameList class
	 
19-May-2006 The dimension of the input record (MAXRECL) should be dynamized

19-May-2006  initiator to be re-designed

 1-June-2006 extend &val_of concept in particular to 'if'. Also in addition to
             &val_of,   $name should be used

 1-June-2006 Objects with variable states
 
 1-June-2006 State manager should always check for object existence before
             blindly using 'null' pointer.
	    
 1-June-2006 !check: Is there a limit on parameter values? In particular, can
             DIM handle this?