1.1.1.7   19.06.2020
           - remove useless xs file
1.1.1.6   22.02.2020
           - fix for openbsd
1.1.1.5   16.02.2020
           - fix for older linux
1.1.1.4   27.01.2020
           - fix headers installation
1.1.1.3   27.01.2020
           - remove C++ requirements, improve Makefile.PL
1.1.1.2   27.01.2020
           - use Alien::cmake3 instead of Alien::CMake
1.1.1.1   26.01.2020
           - fix Makefile.PL and manifest
1.1.1.0   25.01.2020
           - c-ares 1.1.1