Squashed commit of the following:

commit 77760d645da175d8bf4c9944778e4d246d5e4ee8
Author: Martin Ueding <dev@martin-ueding.de>
Date:   Mon Mar 18 21:50:23 2013 +0100

    Real copyright symbol

commit f9a2277a7b742b1c30b81cf72c1756ec76c5cff9
Author: Martin Ueding <dev@martin-ueding.de>
Date:   Mon Mar 18 21:50:07 2013 +0100

    Update symbol indepentenly of years

commit 8b08ef7416ea58fa6589f2db415c1f5c5d4fe1de
Author: Martin Ueding <dev@martin-ueding.de>
Date:   Mon Mar 18 21:41:33 2013 +0100

    Remove usage

commit 06418d3b14767ceffcb7a02f1d28a77716ec8cc8
Author: Martin Ueding <dev@martin-ueding.de>
Date:   Mon Mar 18 21:41:04 2013 +0100

    Import os

commit 8f09f7b3b209decb6af48c6a9a6ad5935514c80f
Author: Martin Ueding <dev@martin-ueding.de>
Date:   Mon Mar 18 21:38:18 2013 +0100

    Mark executable

commit 1d3482817f2b3dc75656ed472f0a3edfbd424a79
Author: Martin Ueding <dev@martin-ueding.de>
Date:   Mon Mar 18 21:33:34 2013 +0100

    Start with unicode replacement
Update documentation
Central license file
Typo
Add all target
Update tests
Use assert from unittest
Update version number
Setup executable
Encoding
More info in setup.py
Long description
Download URL, license