better handling of -d and --debug=
remove last \n on interactive use



git-svn-id: https://ilk.uvt.nl/svn/sources/Frog/trunk@17459 12f355fe-0486-481a-ad91-c297ab22b4e3
added debug lines to examine "eer" and "ere" exceptions


git-svn-id: https://ilk.uvt.nl/svn/sources/Frog/trunk@17460 12f355fe-0486-481a-ad91-c297ab22b4e3