Made most functions return a status code, some of the functions are:
- `.delete()`
- `.report()`
- `.set_*()`
- `Studio.add_project()`
- `Studio.remove_project()`
- `Studio.open_to_public()`
- `Studio.close_to_public()`
- `Studio.toggle_commenting()`
etc...
v1
Fixed "get_replies()" in "ProjectComment" class, in "/scratchclient/Comments.py"