v1.1.1 - v1.1.5

I forgot to tag these releases so they'll all be tagged in one go.

v1.1.1 7d8e161

• Various project maintenance pieces to upgrade dependencies and migrate to Github Actions
• Support diffing keys named like Object.prototype properties #59

Thanks @anko for the help

v1.1.2 cf7a997

• Remove engines field from package.json

v1.1.3 e04370c

• Publish library as esmodule

v1.1.4 35cd6e1

• Add build script to help manage esmodule and cjs
• Remove index.js naming convention

v1.1.5 8c09976

• Fix broken imports