Eject v0.3.2

• Update LICENSE for current year.

Closes #18.

Eject v0.3.1

• Convert README.md to Edify.

Closes #17.

Eject v0.3.0

• Build with Node.js 16 on GitHub actions.
• Build with Node.js 16 on Travis CI.
• Fix README.md.
• Export a function named once.

Closes #16.

Eject v0.2.3

• Fix NULL interface again.

Closes #15.

Eject v0.2.2

• Update NULL with new interface.

Closes #14.

Eject v0.2.1

• Replace resolve, reject with emit.

Closes #13.

Eject v0.2.0

• Import EventEmitter to Promise converter.

Closes #12.

Eject v0.1.0

• Create Turnstile error handling decorator.

Closes #11.