Version 1.1

Development version - not for release to CRAN.

Changes in version 1.0

Final release version, in time for publication of the book. Now with complete documentation for all functions and data sets, and improved vignette. Released onto CRAN.

Changes in version 0.4

Documentation for data sets in addition to functions.

Changes in version 0.3

Improved documentation.

Version 0.2

First usable version of the software, compatable with the content of the book.

