move code to a module
better copyright text
add copy of section of Chj::xperlfunc
use PFLANZE::Xstat
use File::Copy for faster copying
add setters
store stat fields in files tempfile
add same_node method
use saved stat data instead of doing new stat

although "cp" still does the stat itself
fix: let cp tool handle special files
transfer permissions ourselves

will this save a stat or does 'copy' do the stat anyway?
installation
use sendfile for file copying
grammar
increase $MAX_SMALL_FILE
fix: private directories
copy directory permissions
more differences to cp
add --dry-run option