HOC should extends PureComponent #800
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We faced a performance issue recently while using react-sortable-hoc.
If we have a large list, such as 300 to 400, and whenever its parent re-renders all the child also re renders.
So raising the PR to change it to PureComponent to get the performance benefit.
Though I am a bit worried about folks who are already using it and have not taken care of the cons of using PureComponent.