Author and copyright: Nikolaus Hansen, 2014

This library is free/open software and may be used under any of the 
following licenses: 

Apache License 2.0: 
   
    Licensed under the Apache License, Version 2.0 (the "License");
    you may not use this library except in compliance with the License.
    You may obtain a copy of the License at

        http://www.apache.org/licenses/LICENSE-2.0

    Unless required by applicable law or agreed to in writing, software
    distributed under the License is distributed on an "AS IS" BASIS,
    WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
    See the License for the specific language governing permissions and
    limitations under the License    

GNU Lesser General Public License 2.1 or later: 

     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 (see http://www.gnu.org/copyleft/lesser.html).
     
     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 the GNU
     Lesser General Public License for details.
   
