Merge branch 'rc0.5.0' into develop
made ShowRegTable quiet
added printToggle to ShowRegTable
added printToggle doc
NEWS changed to include special thanks
check if vars is empty. Fill in by names(data) if so.
explained empty vars filling in NEWS
roxygen2 version 4 requires explicit loading of the methods package for methods::is() function
date changed
special thanks changed
documents and NAMESPACE changes
added Ex.Rout file for naive regression tests
Merge branch 'feature-empty-vars' into develop
Merge branch 'rc0.6.0'