2002-01-14  Kasper Peeters  <kpeeters@pcth28.cern.ch>

	* v1.9 released.

	* Added more test programs.

	* Fixed various bugs related to the 'power' field, which resulted
	in incorrect conversions.

2001-12-11  Kasper Peeters  <K.Peeters@damtp.cam.ac.uk>

	* Fixed operator<< for unnamed dimensionful numbers.

	* Added consts.hh with objects representing physical constants.

	* Added the 'hep' model and associated conversion factors.

	* Added a 'power' field in the conversion class to allow for large
	conversion factors (yet retaining exact conversions by keeping the
	long numerator/denominator combo).

2001-11-29  Kasper Peeters  <K.Peeters@damtp.cam.ac.uk>

	* v1.4: initial release

