Add status indicator for long sweeps

[cupojoe]

If you are cleaning a large database, sweeping can take a while. Adding a status or progress indicator would be great.
Something to know the process didn't hang.

Like: xx of yyyy left.

[szepeviktor]

If you have a large website please consider using the command line. You will benefit from it.

[cupojoe]

Thanks for responding quickly. This is great, although I still think this request is valid. Most people in need of sweeping have data that make the plugin feel like it hangs or nothing is happening. I see you listen to callbacks for when it's done via Ajax. Maybe adding a callback for progress updates?

[lesterchan]

Thinking out loud, we can set a timer from php max execution time to show a countdown and refresh the page after it is 0. Often, it timeout because of the 30s max execution time