Refresh documentation

What's Changed

• JSDocs
  • Removed misleading use of "validation"
  • Better describe what functions are doing
• Typings are generated and packaged
• API docs are embedded in README.md
• Updates to dependencies
• Remove exceptions from audit check

Full Changelog: v0.3.1...v0.4.0

Dependency updates and fixes

• Update to latest NodeJS LTS
• Apply dependency updates and fixes
• Miscellaneous build/CI enhancements

Add reporting of inner error

This release adds the reporting of the inner error when coerce throws. It should help to provide a better debugging experience.