This file documents software changes.

1.0.0 CRAN test version.
1.0.1 All the datasets and functions for the book are ready.
1.0.2 Minor fixes of help files due to CRAN request.
1.0.3 Upgrade of plotcdf2.
1.0.4 Fixed non ascii character.
2.0.0 Upgrade of the package for the second edition of the book. Code for each chapter is now included as demos.
