Parse args refactoring

[agutoli]

Hi,

I did some improvements over ParseArgs, this can be useful to add new options in the future.

Cheers!

Bruno Agutoli

[agutoli]

Wrong usage example:

./node_modules/env-cmd/bin/env-cmd ./.config/dev.env

Usage: env-cmd [options] [env_file | env_name] command [command options]

A simple utility for running a cli application using an env config file.

Also supports using a .env-cmdrc json file in the execution directory to support multiple
environment configs in one file.

Options:
  --no-override - do not override existing process env vars with file env vars
  --fallback - if provided env file does not exist, attempt to use fallback .env file in root dir

Error! Too few arguments passed to env-cmd.

Right way example:

node_modules/env-cmd/bin/env-cmd.js ./.config/dev.env serverless offline start

[toddbluhm]

This has been implemented in the new 9.0.0 release 🎉