[Bug Report] Failure starting using --config flag

[flying-sausages]

Describe the bug
When passing --config flag, the binary returns the following error

To Reproduce
Steps to reproduce the behavior:

1. Download binary
2. Create config file
3. Run mango --config="/path/to.yml"

Expected behavior
A clear and concise description of what you expected to happen.
Start up 0.5.0 with the premade config

Environment (please complete the following information):

• OS:U20.04
• Mango Version 0.5.0

Docker (if you are running Mango in a Docker container)

• nope

Additional context

/opt/mango/mango.bin --config="/opt/mango/config.yml"
Unhandled exception: Invalid option: --config=/opt/mango/config.yml (OptionParser::InvalidOption)
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[flying-sausages]

This however works
/opt/mango/mango.bin admin user list --config=/opt/mango/config.yml

[hkalexling]

Fixed in v0.5.1. Thanks for the bug report!

[flying-sausages]

Works like a charm now, thanks a bunch!