2-11-2001 0.0.6
	write more standard code
4-07-2001 0.0.5
	changed exceptions
	rename the kind of access "Read_Write" in "Update"
25-06-2001 0.0.4
	Coded version 0.0.4
	+ use of kind of access
	+ write more standard code
	+ changed parse implementation using
	the functions read_vaule_in read_option_name_in
	
23-06-2001
	Fixed two big bugs in datafile.cpp and section.cpp