Added
- `SMBFS.move` implementation using the `SMBConnection.rename` method from PySMB.
- Missing module docstrings to `fs.smbfs` and `fs.opener.smbfs` modules.
- `__version__` attribute to `fs.opener.smbfs` module.
Changed
- Use `fs.smbfs.utils.is_ip` to check if the host given to `SMBFS` is an IP address.
Fixed
- `SMBFS.openbin` not raising `fs.errors.PermissionDenied` on SMB access errors.
- Broken `SMBFS` usage example in `README.rst`.