async post requests in swift

import Foundation

func makeRequest (url:String, email:String, password: String, done: (NSURLResponse!, NSData!, NSError!) -> Void) -> Void {
    let URL = NSURL(string: url)
    let postData = "email=\(email)&password=\(password)"
    var request : NSMutableURLRequest = NSMutableURLRequest(URL: URL!)
    
    request.HTTPMethod = "POST"
    request.HTTPBody = postData.dataUsingEncoding(NSUTF8StringEncoding)
    request.setValue("application/x-www-form-urlencoded", forHTTPHeaderField: "Content-Type")
    request.setValue("application/json", forHTTPHeaderField: "Accept")
    
    NSURLConnection.sendAsynchronousRequest(request, queue: NSOperationQueue.mainQueue(), completionHandler: done);
}

let url = "http://plebvote.com:1337/order/login"

makeRequest(url, "test@test", "test", {(response, data, error) in
    NSLog("response: %@, data: %@, error: %@", response, data, error)
    NSLog("hi")
})

while(true) {
    NSRunLoop.currentRunLoop().runMode(NSDefaultRunLoopMode, beforeDate: NSDate())
    usleep(10)
}