Merge pull request #54 from radicamc/dev

Dev

Change numpy, crds install requirements

Stage v2.3.1

Merge pull request #39 from radicamc/dev

Dev

Merge pull request #35 from radicamc/dev-stable

Dev stable

Stage 2.1.2

Stage 2.1.1

Merge pull request #25 from radicamc/dev

Dev

Update JOSS paper

Remove ss end of life notices