Sometimes you get different numbers of stories

[maxharlow]

I believe (though not completely sure) that this is because it has it's own builtin LRU cache, which caches using the UUID as a key. However, there's a limit parameter -- if the UUID is initially called with a limit of 4, say, subsequent requests will go to the cache, regardless of the specified limit.

If I'm right one solution would be to use a key that includes the UUID and the limit number.