A draw drawn (maybe with CorelDRAW!® or Inkscape) by Felipe Micaroni Lalli (micaroni@gmail.com).

I, the copyright holder of this work, hereby publish it under the following license:
This library is free software; you can redistribute it and/or modify it under the terms of the GNU Lesser General Public License as published by the Free Software Foundation; either version 2.1 of the License, or (at your option) any later version. This library is distributed in the hope that it will be useful, but without any warranty; without even the implied warranty of merchantability or fitness for a particular purpose. See version 2.1 and version 3 of the GNU Lesser General Public License for more details. 