password prompt

[elig0n]

Is your feature request related to a problem? Please describe.
passing a plaintext password over command line is insecure

Describe the solution you'd like
password prompt with hidden/asterisks input

Describe alternatives you've considered
keychain

[Klemen Tusar]

I never really paid much attention to this since the password option is optional and well since this tool is more or less a one-time-use thing for most people, but you do have a point. I'll look into it.