Fix octal number literals.
Close files for Protocol objects.
Close files for Pack objects.
Close file objects.
News entry for file object closing.
Merge branch 'python3-close-files' of git://github.com/garyvdm/dulwich
Skip porcelain archive test when c git is not available.
Add write_error argument to GitClient.archive().
Merge branch 'octal-numbers' of git://github.com/garyvdm/dulwich