def page_for(self, member, page_size=DEFAULT_PAGE_SIZE):
return self.page_for_in(self.leaderboard_name, member, page_size)<EOL>
Determine the page where a member falls in the leaderboard.

@param member [String] Member name.
@param page_size [int] Page size to be used in determining page location.
@return the page where a member falls in the leaderboard.