Underscores in commands instead of hyphens

[samuelduchesne]

The CLI command examples (eeweather --help) use underscores while the actual command names use hyphens.

[samuelduchesne]

[philngo]

@samuelduchesne Thanks! Definitely worth a fix. Are you interested in making the PR? If not, I will find some time in the coming week and make the edits myself.