Added SREG robust model in GGEmodel() function.

Dependecy on archived bcv package removed.

Dependecy on archived GGEBiplotGUI package removed.

Changed default option to “symmetrical” in the SVP argument of the GGEmodel() function.

Changed agridat package from Imports to Suggests in DESCRIPTION file.

First submission to CRAN.

This is the first development version of the package.