             req.setValue(value, forHTTPHeaderField: header)
         }
         
-        if let params = request.parameters {
-            if request.method == .GET || request.method == .DELETE {
-                req.setValue("application/x-www-form-urlencoded", forHTTPHeaderField: Headers.ContentType)
-                req.HTTPBody = urlEncode(params).dataUsingEncoding(NSUTF8StringEncoding)
-            } else if let httpFiles = request.files {
+        if request.method == .POST || request.method == .PUT {
+            if let httpFiles = request.files {
                 let body = NSMutableData()
                 let boundary = "--\(Constants.MultipartBoundary)\r\n".dataUsingEncoding(NSUTF8StringEncoding)!
                 
-                for (name, value) in params {
-                    body.appendData(boundary)
-                    body.appendData("Content-Disposition: form-data; name=\"\(name)\"\r\n\r\n".dataUsingEncoding(NSUTF8StringEncoding)!)
-                    body.appendData(value.dataUsingEncoding(NSUTF8StringEncoding)!)
-                    body.appendData("\r\n".dataUsingEncoding(NSUTF8StringEncoding)!)
+                if let params = request.parameters {
+                    for (name, value) in params {
+                        body.appendData(boundary)
+                        body.appendData("Content-Disposition: form-data; name=\"\(name)\"\r\n\r\n".dataUsingEncoding(NSUTF8StringEncoding)!)
+                        body.appendData(value.dataUsingEncoding(NSUTF8StringEncoding)!)
+                        body.appendData("\r\n".dataUsingEncoding(NSUTF8StringEncoding)!)
+                    }
                 }
                 
                 for file in httpFiles {

                
                req.setValue("multipart/form-data; boundary=\(Constants.MultipartBoundary)", forHTTPHeaderField: Headers.ContentType)
                req.HTTPBody = body
            } else {
                let json = NSJSONSerialization.dataWithJSONObject(params, options: .allZeros, error: nil)
                req.setValue("application/json", forHTTPHeaderField: Headers.ContentType)
                req.HTTPBody = json

        })
        
        task.resume()
    }
    
    func queryString(parameters: [String: AnyObject]?) -> String {
        if let params = parameters {
            return "?" + urlEncode(params)
        }
        return ""
    }
    
    func urlEncode(obj: AnyObject) -> String {
