wrong formatted db-migrate db command should error out

[aaronjameslang]

I'm submitting a...

• Bug report
• Feature request
• Question

Current behavior

Running db-migrate db create mydb hangs. Note the missing colon.

Expected behavior

Error message like 'Unknown command db' or 'Did you mean db:create ?'

Minimal reproduction of the problem with instructions

Run db-migrate db create mydb. I'm using postgres if that matters.

What is the motivation / use case for changing the behavior?

Ease of use

Environment

db-migrate version: ^0.10.6
db-migrate driver with versions: db-migrate-pg ^0.3.1

Additional information:
- Node version: v9.4.0
- Platform:  Mac

Others:

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[wzrdtales]

That definitely should error out!
Thanks for reporting.

[golopot]

Unrecognized options should also error out, like:

db-migrate create foo --bar