v0.5.0

This is a minor release: The pairs() generic and pairs.profile() method have both
been deprecated, and replaced with the pairs_profile() function.

v0.4.5

Minor bug fix release: center was being ignored.

v0.4.4

• Put source on Github.
• Added a NEWS.md file to track changes to the package.
• Added README.Rmd.
• Added pkgdown site.
• Added US spelling center to ellipse.default() (thanks to
  James Curran).