News in 0.0.8
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* Add ggit_patch_get_hunk
* Added ggit_patch_get_delta
* Add API to set remote callbacks in clone options
* Add _ggit_native_release
* Implement GgitRemoteCallbacks
* Added coverage tool
* Update enums
* Rename _head_orphan to _head_unborn
* Implemented branch enumerator
* Added GgitRemoteHead
* Add GgitDiffHunk
* Add GgitDiffLine
* Update to libgit2 0.20.0 api
* Misc bugfixing