* Add support to HTTP for setting local interface
* Add net import
* use correct flag
* better CLI flag name
* Remove logged `\n`
* Remove extranneous if statement
This pins dependencies via go mod init. Regular builds should still
work, so this won't affect CI. It overrides the default set of deps for
ZFlags, to point to v1.4.0-beta.1. This gets the ParseCommandLine
function.