Fix Repo.reset_index. Previously, it instead took the union with the given tree. (@sattlerc , #1072)

Add -b argument to dulwich clone. (@jelmer

On Windows, provide a hint about developer mode when creating symlinks fails due to a permission error. (@jelmer, #1005)

Add new ObjectID type in dulwich.objects, currently just an alias for bytes. (@jelmer)

Support repository format version 1. (@jelmer, #1056)

Support \r\n line endings with continuations when parsing configuration files. (@jelmer)

Fix handling of SymrefLoop in RefsContainer.setitem. (@domdfcoding, @jelmer)