    Copyright (C) 2003-2006 Alberto Demichelis

    This software is provided 'as-is', without any express
    or implied warranty. In no event will the authors be held
    liable for any damages arising from the use of this software.

    Permission is granted to anyone to use this software for
    any purpose, including commercial applications, and to alter
    it and redistribute it freely, subject to the following restrictions:

        1. The origin of this software must not be misrepresented;
        you must not claim that you wrote the original software.
        If you use this software in a product, an acknowledgment
        in the product documentation would be appreciated but
        is not required.

        2. Altered source versions must be plainly marked as such,
        and must not be misrepresented as being the original software.

        3. This notice may not be removed or altered from any
        source distribution.

