Foursquare Labs has introduced a number of new search features to its Foursquare (free) app in version 6.2, letting users filter searches by price, places that users have saved, places users haven’t been yet, places open at that time, and more new options. These advanced filters were added to the desktop version of the site a few weeks ago; now they’ve made their way to Foursquare’s mobile app. “Fearless” isn’t…