startet sonst/wibook
	new file:   sonst/wibook/hswarticle.cls
	new file:   sonst/wibook/hswbook.cls
	new file:   sonst/wibook/make.sh
	new file:   sonst/wibook/wibook.pdf
	new file:   sonst/wibook/wibook.tex
	modified:   tex/hswbook.cls
	modified:   tex/vertrag.cls