[AddonManager] Improve Non GitPython Error..
[AddonManager] Improve Non GitPython Error..

...Handling. Previous output when clicking Macros tab caused errors in Report View with no Macros loaded at all.
Fat-Zer/FreeCAD_sf_master,Fat-Zer/FreeCAD_sf_master,Fat-Zer/FreeCAD_sf_master,Fat-Zer/FreeCAD_sf_master,Fat-Zer/FreeCAD_sf_master