v0.1.2 - Command order is preserved and a test fix

• The order of commands in the config file is now preserved, and commands are executed in the order in which they appear in the config file. This addresses #12, requested by Olaf Alders.
• Fix the tests so that they set the default branch name when running git init, rather than setting this via git config. This lets anyone run the tests, whereas it was only safe to set this via git config in CI. This fixes #14, reported by Olaf Alders.