Changes: fix sublist formatting
Repository.xs: Added support for rename detection in status()
Repository.pm: Updated status() documentation
Raw.xs: Added git_hv_to_diff_flag
Repository.xs: Added diff options
Tree.xs: Added diff options
Updated diff test cases
Repository.pm: Updated diff documentation
Tree.pm: Updated diff documentation
fix POD formatting
Repository.pm: fix diff() parameters
Changes: update
09-diff.t: fix double declaration