v1.2.0

[1.2.0] - 2020-09-22

Changed

• Fix all the lint errors in src and test.
• Emit correct typings for each bundle.
• Revised npm scripts, using "prepare" instead "prepublish".
• Simplify eslintrc using eslint-config-standardize + eslint-plugin-prettierx
• Simplify tsconfig.json.
• Sync CI configuration with new NodeJS requirements.
• Require NodeJS 10.14.2 or 12.0 and above.
• Update dependencies / devDependencies.