[added support when the website for scraping user agents is off](https://github.com/mhwgoo/fake_user_agent/commit/c32c1e01300c2d0ae85813629082f42ffc59fc89)
2.1.7
- deleted `errors.py` module to make code cleaner - made error messages clearer
2.1.6
- changed the cache file location from OS's temp folder to $HOME/.cache/fakeua to avoid strange behaviors on Windows and to avoid cache getting deleted periodically by OS.
2.1.5
- changed xpath's returned data type `<class 'lxml.etree._ElementUnicodeResult'>` to `str` for better use when importing the package
2.1.4
- did some code formatting
2.1.2
- fixed a type in logging message - changed logging message format