Strip username from host

[winstliu]

Requirements

• Filling out the template is required. Any pull request that does not include enough information to be reviewed in a timely manner may be closed at the maintainers' discretion.
• All new code requires tests to ensure against regressions

Description of the Change

Takes https://user@github.com/user/repo.git-style URLs and returns https://github.com/user/repo.git.
Also uses HTTPS where possible.

Alternate Designs

None.

Benefits

More accurate URL.

Possible Drawbacks

I don't see any? Everything should continue to work as long as you're logged into GitHub.

Applicable Issues

Fixes #72