[Python] Yahoo! Fantasy API Maximum Count?

I am trying to get all the available players for a position with JSON returned by the Yahoo! Fantasy API, using this resource:

http://fantasysports.yahooapis.com/fantasy/v2/game/nfl/players;status=A;position=RB


It seems like it always returns a maximum of 25 players with this API. I've tried using the ;count=n filter as well, but if n is anything higher that 25 I still only get 25 players returned. Does anyone know why this is? And how I can get more?

Here is my code:

from yahoo_oauth import OAuth1

oauth = OAuth1(None, None, from_file='oauth.json', base_url='http://fantasysports.yahooapis.com/fantasy/v2/')

uri = 'league/nfl.l.91364/players;position=RB;status=A;count=100'

if not oauth.token_is_valid():
oauth.refresh_access_token

response = oauth.session.get(uri, params={'format': 'json'})

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