Changes in version 2020-03-16                      

    o   Version 1.3-0

    o   Accept strings for conventional effect sizes.

    o   Fix error in R 3.6 with vector inputs.

                     Changes in version 2018-03-03                      

    o   Version 1.2-2

    o   Updates in documentation.

                     Changes in version 2017-03-21                      

    o   Version 1.2-1

    o   vignettes/pwr-vignette.Rmd: New vignette by Clay Ford

    o   R: Add upper limits of n (Aditya Anandkumar's pull request)

    o   R/plot.pwer.htest: Robert Volcic's fix for pwr.t.test

    o   NEWS: ChangeLog moved to "NEWS" file

                     Changes in version 2016-08-06                      

    o   Version 1.2-0

    o   DESCRIPTION: move ggplot2 and scales to "Suggests"; import from graphics.

    o   NAMESPACE: remove ggplot2 and scales from import; add graphics.

    o   R/plot.power.htest: falling back to generic plot tools
	if ggplot2 and scales do not exist.

                     Changes in version 2016-08-04                      

    o   Version 1.1-4

    o   R/plot.power.htest: New function contributed by Stephan Weibelzahl.

    o   DESCRIPTION, NAMESPACE, man: Adapt to include new plot.power.htest function.

                     Changes in version 2015-09-02                      

    o   R/pwr.t2n.test: Revert to previous version.

                     Changes in version 2015-08-18                      

    o   NAMESPACE, DESCRIPTION: Add import from stats.

                     Changes in version 2015-04-02                      

    o   R/pwr.t2n.test: Fix following Jan Wunder's report.

                     Changes in version 2015-02-27                      

    o   DESCRIPTION: Authors redefined as Authors@R.
	Add Claus Ekstrom, Peter Daalgard and Jeffrey Gill as contributors.
	New maintainer (Helios De Rosario, taking over Stephane Champely's work).
	Update License to GPL>=3.
	Added link to Github development repository.

    o   LICENSE: Added GPL 3 license.

    o   man: Fixed line widths of usage and example in various files.
	(pwr-package.Rd)Updated authors.

    o   R/pwr.r.test.R: Fixed calculation of zrc following Jeffrey Gill's report.

    o   Version 1.1-2