Enable splits during streaming the dataset
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[]
## Describe the Problem

I'd like to stream only a specific percentage or part of the dataset. 
I want to do splitting when I'm streaming dataset as well.

## Solution
Enabling splits when `streaming = True` as well.
`e.g. dataset = load_dataset('dataset', split='train[:100]', streaming = True)`

## Alternatives
Below is the alternative of doing it.
`dataset = load_dataset("dataset", split='train', streaming = True).take(100)`


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