Initial blame API
Change API based on @arrbee's feedback
Introduce git_blame_buffer
Fix spelling, remove pesky consts
Blame: alloc/free scaffolding
git_blame_results -> git_blame
Adjust naming, signatures slightly
Add blame test repo
Add more test skeletons, binary search for hunks
Fix msvc build
Add revwalk skeleton
Some work on trivial blame
Some progress toward trivial blame
Partial hunkwise-claiming algorithm
Blame: merge-less case working, clean up
Blame: (noisy) linewise matching
Quiet debug printf's
Fix build on win32
Blame: embryonic test on a real file
Fix math error