* Fixed segfault caused by "touch -c"
* Fixed segfault caused by "rm -f"
* Fixed segfault caused by "ln -s -s" and similar abuses.
* Fixed segfault caused by "cp -a -a" and similar abuses.
* Implemented "rm -- <foo>"
updated docs accordingly.
-Erik
* cp/mv now accepts (and ignores) the -f flag, since it always
does force anyway
* tail can now accept -<num> commands (e.g. -10) for better
compatibility with the standard tail command
* added a simple id implementation; doesn't support supp. groups yet