pullToRefresh reset current data. Need to create choice what to do: add only intersection between old and new data or reset all current data and show only these data which place on one screen space
will be available in 0.7.0.
when we got error at refresh - we not reset state now. but when we got data (empty or not) we just replace current state to this new state (without merge)
pullToRefresh reset current data. Need to create choice what to do: add only intersection between old and new data or reset all current data and show only these data which place on one screen space