CAST License v 0.5

 This code project (software) has copyright law obligations:

 1. As CODE USER You can choose one or more licensing options listed below :
     - GNU Lesser General Public License v2.1 or later (SPDX: LGPL-2.1-or-later) 
     - GNU General Public License v2.0 or later (SPDX: GPL-2.0-or-later)
     - Apache License 2.0 (SPDX: Apache-2.0)
     - MIT License (SPDX:MIT)

 2. This program 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. 
 
 3. As CODE CONTRIBUTOR or COPYRIGHT HOLDER You grant that CODE USER
     can choose any free software license listed above and You will not limit 
     open source  software license list in future if new circumstances
     will emerge (e.g. license which better address cross license compatibility
     will appear or license which better address free software
     patents protection will appear)

 4. As LICENSE USER you are free to modify or improve THIS LICENSE as long
     as You give it DISTINCT name
  
 5. If you have rights to project source code You can apply THIS LICENSE
    to project You put text of this license in root folder of source 
    code project in file named "LICENSE". In case when some source code files 
    are covered by different license they sould be listed in LICEXEP file.