import Foundation class Request { let session: NSURLSession = NSURLSession.sharedSession() // GET METHOD func get(url: NSURL, completionHandler: (NSData?, NSURLResponse?, NSError?) -> Void) { let request: NSMutableURLRequest = NSMutableURLRequest(URL: url) request.HTTPMethod = "GET" request.addValue("application/json", forHTTPHeaderField: "Accept") session.dataTaskWithRequest(request, completionHa