Changes since tag 1.4

commit 1e03e9d3ff427946a56b9f806bfe50cbb940db33
Author: vendethiel <vendethiel@hotmail.fr>
Date:   Thu Oct 15 22:17:19 2020 +0200

    SL updates

commit be4f4f13ed9b32ac1f4b6788b9534cd6317f78df
Author: ven <vendethiel@hotmail.fr>
Date:   Sun Aug 23 20:59:20 2020 +0200

    restore LibGIST
    
    since nebula++ updated it

