BGGClient is not defined

```
import boardgamegeek

bgg = BGGClient()
```
---------------------------------------------------------------------------
NameError                                 Traceback (most recent call last)
~\AppData\Local\Temp\ipykernel_908\3723979965.py in <module>
      1 import boardgamegeek
      2 
----> 3 bgg = BGGClient()

NameError: name 'BGGClient' is not defined
