0.2 first version to CRAN
0.2-1 fixed bugs in docs found by scripts on CRAN (R-devel check)
0.3 added data/echinacea.txt
man/echinacea.Rd
test/tutor.R
added test in aster.R
added package vignette
added examples on all help pages to be used by users
0.3-1 changed variable "site" to "pop" in echinacea.txt
corresponding changes in many other files
\usepackage[utf8]{inputenc} in tutor.Rnw
many small changes in wording in tutor.Rnw