v0.2.1

Full Changelog: v0.2.0...v0.2.1

v0.2.0

Tagged version that corresponds to revisions resubmitted to JAMES.

What's Changed

• Refactor with water mass and region classes by @hdrake in #3
• Update README.md with installation instructions by @hdrake in #5
• More informative README.md by @hdrake in #6
• Add citation info to README. by @hdrake in #11
• Modified variable names, sign conventions, and paper/ analysis for JAMES revisions by @hdrake in #14