version 1.2.11, January 15th, 2017&#xA;&#xA;Copyright (C) 1995-2017 Jean-loup Gailly and Mark Adler&#xA;&#xA;This software is provided &#39;as-is&#39;, without any express or implied&#xA;warranty.  In no event will the authors be held liable for any damages&#xA;arising from the use of this software.&#xA;&#xA;Permission is granted to anyone to use this software for any purpose,&#xA;including commercial applications, and to alter it and redistribute it&#xA;freely, subject to the following restrictions:&#xA;&#xA;1. The origin of this software must not be misrepresented; you must not&#xA;   claim that you wrote the original software. If you use this software&#xA;   in a product, an acknowledgment in the product documentation would be&#xA;   appreciated but is not required.&#xA;2. Altered source versions must be plainly marked as such, and must not be&#xA;   misrepresented as being the original software.&#xA;3. This notice may not be removed or altered from any source distribution.&#xA;