Show the git history of a function or method (WIP).
Use the latest (beta) version by putting "git_function_history" = { git = 'https://github.com/mendelsshop/git_function_history' } in your cargo.toml under [dependencies] section.
Use the latest crates.io (also beta) by putting git_function_history = "0.4.0" in your cargo.toml under [dependencies] section.