koppi

#! /usr/bin/env python
# -*- coding: utf-8 -*-
'''
Copyright (C) 2007 Aaron Spike  (aaron @ ekips.org)
Copyright (C) 2007 Tavmjong Bah (tavmjong @ free.fr)
Copyright (C) http://cnc-club.ru/forum/viewtopic.php?f=33&t=434&p=2594#p2500
Copyright (C) 2014 Jürgen Weigert (juewei@fabfolk.com)
Copyright (C) 2015 Jakob Flierl (jakob.flierl@gmail.com)

This program is free software; you can redistribute it and/or modify