get rid of deprecation messages

update gitignore

fix meson

update deps

ditto

Merge branch 'master' of https://github.com/libmir/mir

update deps

upgrade mir-algorithm version (#400)

upgrade mir-algoritm (#398)

upgrade ndslice api (#397)

* upgrade ndslice api

* fix dub

* fix hoffman and appveyor

* fix example

* fix circle ci

* fix circle ci

* ditto

* ditto