add thc command, add copyright messages
# Please enter the commit message for your changes. Lines starting
# with '#' will be ignored, and an empty message aborts the commit.
# On branch master
# Changes to be committed:
#   (use "git reset HEAD <file>..." to unstage)
#
#	new file:   TODO
#	modified:   bin/iptablesdiff
#	modified:   bin/pairs
#	modified:   bin/sort-by-ip
#	modified:   bin/sort-by-length
#	modified:   bin/tab
#	new file:   bin/thc
#	modified:   debian/changelog
#	modified:   debian/control
#
