Highlights

• worktree: adds .gitignore support (#429) (#444)
• worktree: symlink support (#436)
• *: upgrade to go-billy.v3

Bug fixes

• client: ssh, fix push on git and ssh (#418)
• revlist: ignore treeEntries that are submodules. (#440)
• repository: update local remote references during fetch even if no pack needs to be received (#434)
• worktree: Add create and push the blob objects to the storer (#441)
• storage/filesystem: call initialization explicitly, fixes (#408) (#409)

Improvements:

• internal/dotgit: rewrite code to avoid stackoverflow errors (#442)
• client: ssh, support SSH Agent Auth on Windows (#405)
• partial windows support (#369)
• packfile: copy operation limited to 64kb (#411)
• object: fix naming of NewCommit{Pre,Post}Iterator (#421)