commit 0d505e7b97251a21e3d47f8c1e9d3ce1e0095311
Author: xclaesse <xclaesse@4ee84921-47dd-4033-b63a-18d7a039a3e4>

    Fix authors for fixed bugs in NEWS and release.py, Bump ABI version and prepare for 0.21.5.1 release

commit ca88ea19bb8af75640c6ff44947a13f00a084b7b
Author: xclaesse <xclaesse@4ee84921-47dd-4033-b63a-18d7a039a3e4>

    Improve a bit release.py script