Minor: Fix docstrings of Git object
Minor: Fix docstrings of Git object

Parameters described in docstrings did not match actual Git
__init__ parameters.
Signed-off-by: Balthazar Rouberol <a9d237650e4d4cb3de4969f778ca372566bedbf9@kozea.fr>

Kozea/Pynuts,Kozea/Pynuts,Kozea/Pynuts