Version 1.5.1

This is CRAN release version 1.5.1. See NEWS.md for changes in this version.

Version 1.5.0

This is CRAN release version 1.5.0. See NEWS.md for changes in this version.

Version 1.4.3

This is CRAN release version 1.4.3. See NEWS.md for changes in this version.

Version 1.4.2

This is CRAN release version 1.4.2. See NEWS.md for changes in this version.

Version 1.4.1

This is CRAN release version 1.4.1. See NEWS.md for changes in this version.

Version 1.4

This is CRAN release version 1.4. See NEWS.md for changes in this version.

Version 1.3

CRAN release version 1.3. See NEWS.md for changes in this version.

Version 1.2.1

CRAN release version 1.2.1. This is a minor release to address an issue that was causing the vignette to fail to build due to a change in another package. See NEWS.md for changes in this version.

Version 1.2

CRAN release version 1.2. See NEWS.md for changes in this version.

Version 1.1

CRAN release version 1.1. See NEWS.md for changes in this version.