title: how to get a PFUsers with multiple constraints
body: <p>i want to query a PFUser class where i have column showmeonmap that the user can choose if he want others to see him on the  map and another column with the geopoint i i want to get all the users that want to show  them  selfs and  are in radius of 50 KM of the current user is there anyway to do that </p>