v0.3.1

What's Changed

• [pre-commit.ci] pre-commit autoupdate by @pre-commit-ci in #12
• Bump OpenAstronomy/github-actions-workflows from 2.0.0 to 2.1.0 by @dependabot in #13
• Add usage instructions by @lpsinger in #14
• [pre-commit.ci] pre-commit autoupdate by @pre-commit-ci in #15
• Add test of command-line help by @lpsinger in #16
• Inherit from null plugin by @lpsinger in #17
• Add test for more_info method by @lpsinger in #18
• Add test that uses a passphrase by @lpsinger in #19

New Contributors

• @pre-commit-ci made their first contribution in #12
• @dependabot made their first contribution in #13

Full Changelog: v0.3.0...v0.3.1