ENH: update package version to 0.2.1

[conda-forge-admin]

Hi! This is the friendly automated conda-forge-webservice.

I've started a version update as instructed in #2.

I'm currently searching for new versions and will update this PR shortly if I find one! Thank you for waiting!

Fixes #2

[conda-forge-admin]

        Hi! This is the friendly automated conda-forge-linting service.

        I wanted to let you know that I linted all conda-recipes in your             PR (```recipe/meta.yaml```) and found some lint.

        Here's what I've got...

For recipe/meta.yaml:

• The conda-forge.yml file is not allowed to have duplicate keys.

[conda-forge-admin]

Hi! This is the friendly automated conda-forge-linting service.

I just wanted to let you know that I linted all conda-recipes in your PR (recipe/meta.yaml) and found it was in an excellent condition.