Published results include experiment arguments

The results passed to publish now include the arguments passed to the experiment (experimentArguments).

Potentially breaking change due to changing generic type parameters to interface.

Fix vulnerability in development tools

Upgrade devDependencies.

TypeScript v3.8.3, typedefs for Node and Jest, and ESLint plugins.
Also regenerated package-lock.json.
(One of the transitive dependencies, acorn, had a security vulnerability.)

Add async features

See "Asynchronous code" section of README.

Add enabled option

Add enabled option (see sampling section of README).
Make publish optional.

Minor refactoring

Internal code cleanup that should not impact callers.

Always publish results

Breaking changes

• Results are always published. Comparisons may be done in the publish function.
• Target Node >=8.17 using ES2017
• Catch, publish, and re-throw control errors
• Improve default publish function
• Rename Result to Results

Initial release

Very early version. Use at your own risk.