componentDidReceiveProps Please

Problem

I would like to humbly request a componentDidReceiveProps hook, often times I would like to do something on both componentWillMount and componentWillReceiveProps, but because `this.props` hasn't been set yet I am forced to pass props around instead of reading directly from `this.props`. Before New Hook [code block] After New Hook [code block] In this simple example it may seem like a small thing, but often times the passing of props runs deep and instead of conveniently referencing this.props one is forced to plumb the props throughout the component. Please consider adding `componentDidReceiveProps` as a hook to leverage the same code that is leveraged in componentWillMount without forcing both to plumb props throughout the component.