CHANGES:

• Fix the documentation (@dinosaure, #534)
• Remove some output from Git when we initialize a Git repository (@dinosaure, #534)
• Fix fmt deprecation functions (@dinosaure, #534)
• Use a warning instead of an error when a reference does not exists (@zshipko, @dinosaure, #533)
• Use the last version of dns (6.0.0) (@dinosaure, @hannesm, #531)