Increment version number to 4.0.3

Increment version number to 4.0.2

Increment version number to 4.0.1

Increment version number to 4.0.0

Increment version number to 3.5.2

fix wrong automatic version bump

update cran-comments

Increment version number to 3.4.4

Increment version number to 3.4.3

Prepare for release and fix issues