如何在特定时间段内获得所有连接

I'm trying to get all connections (interactions) on a facebook page since a certain time period. I'm using the koala gem and filtering the request with "since: 1.month.ago.to_i" which seems to work fine. However, this gives me 25 results at a time. If I change the limit to 446 (the maximum it seems) that works better. But...if I use .next_page to give me the next set of results within the given time range, it instead just gives me a next set of results without obeying the time range. I'm trying to get all connections (interactions