Major changes in release 3.4:
* cp -p and mv preserve setuid and setgid bits
* chown works on systems where sizeof(uid_t) != sizeof(int) 
  or sizeof(uid) != sizeof(gid)
* catch errors from spurious slashes at ends of arguments

Major changes in release 3.3:
* df sped up by not calling sync for every filesystem
* df ported to AIX (RS/6000 and PS/2), and SVR2 port fixed
* df -i now also prints the total number of inodes per filesystem
* ls sped up by not reading symlink contents unnecessarily
* du doesn't die on POSIX systems when the root filesystem is NFS mounted
* cp and mv report chown Permission denied errors when run by root
