Make cvsco resurrect "cvs remove"d files.
Exec mode to process sinle files optionally.
Simplify type semantic - missing / wrong type / wrong state / as expected.
CVS compatibility mode.
Check that CVS/Root and CVS/Entries match in every directory.
Force recursion for different CVS/Root.
Have an utility to list tags and detect mismatched tags.
cvsdo touch - touch file and update its timestamp in CVS/Entries.
cvsdo prune - offline prune empty directories.
cvsdiff - handle "cvs remove"d files properly.
