Fix typos from docker-library#52 🙈

Remove unnecessary extra "if"

This is something I missed in docker-library#32 😅

Merge pull request docker-library#26 from infosiftr/go1.16

Update to Go 1.16

Merge pull request docker-library#18 from infosiftr/update-mods

Update Go dependencies

Add explicit binary version and resurrect "bashbrew.sh" for helping u…

…sers compile from source