2013-04-10  Jonathan Hogg and Sue Thorne
Version 1.2.0. Bug fixes:
   * Fix to work with version 3.0.0+ of hsl_ma48. JH
   * Tidy up several compiler warnings. JH + ST
   * Tidy up references to undefined variables. ST

2010-12-03  Jonathan Hogg
Version 1.1.0. Remove dependance on hsl_zb01

2007-10-01
Version 1.0.0. Original version.