clearer option handling, better checks, and fixed non-working -S option 
(nobody seems to use it)


git-svn-id: https://ilk.uvt.nl/svn/sources/ucto/trunk@17686 12f355fe-0486-481a-ad91-c297ab22b4e3
typo


git-svn-id: https://ilk.uvt.nl/svn/sources/ucto/trunk@17687 12f355fe-0486-481a-ad91-c297ab22b4e3