v0.3.0

[0.3.0] - 2019-12-29

Added

• browser umd field
• sideEffects: false to package.json

Changed

• now using rollup for builds
• updated main and module fields (not using index.js in root folder any
  more)
• updated heaps of dependencies
• moved API docs back to README
• updated license from ISC to BSD-3