Reduce turnover requirement.

Reduce turnover requirement based on the current bet size.
The bigger size was unnecessarily weeding out a lot of stocks.

Remove the min avg volume criteria from URL. It is implicit in the
equation for turnover.

Change the share price restriction to $1

Example: If bet size if $6000 and share price is $1 then we need a
volume of at least 1000x, i.e 6 million. Turnover 6m * 1 = 6m.