New in v1.3.1 (2022-04-09):
* new:
  - Add LGTM static analysis configuration file
  - Add Github Actions workflow
  - Version control system has been changed from Mercurial to Git
  - Home of Coin3d organization has been changed from https://bitbucket.org/Coin3D
    to https://github.com/coin3d due to Bitbucket ending Mercurial support

* bugfixes:
  - Add current images (Ubuntu, MinGW, Visual Studio) to appveyor CI
  - Add checksum generation to CI script
  - Fix for CMake 3.19.1 regression

New in v1.3.0 (2019-12-17):
* new:
  - Kongsberg Oil & Gas Technologies AS ended Coin3d as a commercial product
    and re-licensed it under the BSD 3-clause license as a service to the
    user community.
  - The build system has been migrated from GNU Autotools to CMake
  - Support for AppVeyor as continuous integration service provider

* bugfixes:
  - OpenGLCurveEvaluator was not returning affine coordinates but homogeneous
    coordinates when setting GLU_NURBS_VERTEX or GLU_NURBS_VERTEX_DATA callbacks
