phillynch7

Fixes #9

https://github.com/mdgoldberg/sportsref/blob/09f11ac856a23c96d666d1d510bb35d6f050b5c3/sportsref/utils.py#L249 I was merging/testing some of your changes with my fork and it seems the line above breaks the BoxScore.over_under(). The strip removes the space that the over_under splits on...