Changelog of the HPA library

Version 0.8:

	First stable release.


Version 0.8.2:

	The functions str2x(), xfrac() and xtrunc() have been added.
	The function atox() has been rewritten.
	Consequently some test programs have been added and the
	documentation has been updated.

Version 0.9.10:

	To be written.

Version 1.0:

        To be written.

