The datconv package is distributed under PSF ("Python Software Foundation")-style license.
 
Grzegorz Wierzchowski LICENSE AGREEMENT FOR DATCONV
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    1. This LICENSE AGREEMENT is between the Grzegorz M. Wierzchowski (“GMW”), and the Individual or Organization (“Licensee”) 
       accessing and otherwise using Datconv software in source or binary form and its associated documentation.
    2. Subject to the terms and conditions of this License Agreement, GMW hereby grants Licensee a nonexclusive, royalty-free, 
       world-wide license to reproduce, analyze, test, perform and/or display publicly, prepare derivative works, distribute, and otherwise 
       use Datconv alone or in any derivative version, provided, however, that GMW’s License Agreement and GMW’s notice of copyright, 
       i.e., “Copyright © 2015-2016 Grzegorz M. Wierzchowski; All Rights Reserved” are retained in Datconv alone 
       or in any derivative version prepared by Licensee.
    3. In the event Licensee prepares a derivative work that is based on or incorporates Datconv or any part thereof, 
       and wants to make the derivative work available to others as provided herein, then Licensee hereby agrees to include in any such work 
       a brief summary of the changes made to Datconv.
    4. GMW is making Datconv available to Licensee on an “AS IS” basis. GMW MAKES NO REPRESENTATIONS OR WARRANTIES, EXPRESS OR IMPLIED. 
       BY WAY OF EXAMPLE, BUT NOT LIMITATION, GMW MAKES NO AND DISCLAIMS ANY REPRESENTATION OR WARRANTY OF MERCHANTABILITY 
       OR FITNESS FOR ANY PARTICULAR PURPOSE OR THAT THE USE OF DATCONV WILL NOT INFRINGE ANY THIRD PARTY RIGHTS.
    5. GMW SHALL NOT BE LIABLE TO LICENSEE OR ANY OTHER USERS OF DATCONV FOR ANY INCIDENTAL, SPECIAL, OR CONSEQUENTIAL DAMAGES 
       OR LOSS AS A RESULT OF MODIFYING, DISTRIBUTING, OR OTHERWISE USING DATCONV, OR ANY DERIVATIVE THEREOF, 
       EVEN IF ADVISED OF THE POSSIBILITY THEREOF.
    6. This License Agreement will automatically terminate upon a material breach of its terms and conditions.
    7. Nothing in this License Agreement shall be deemed to create any relationship of agency, partnership, or joint venture 
       between GMW and Licensee. This License Agreement does not grant permission to use GMW trademarks or trade name in a trademark sense 
       to endorse or promote products or services of Licensee, or any third party.
    8. By copying, installing or otherwise using Datconv, Licensee agrees to be bound by the terms and conditions of this License Agreement.
