Fix for deadlock with large report (#508)

* add large xml sample

* Avoid deadlock

* Remove extra  whitespaces

parsedmarc/cli.py

@@ -1194,15 +1194,15 @@ def _main():
         for proc in processes:
             proc.start()
 
+        for conn in connections:
+            results.append(conn.recv())
+
         for proc in processes:
             proc.join()
             if sys.stdout.isatty():
                 counter += 1
                 pbar.update(counter - pbar.n)
 
-        for conn in connections:
-            results.append(conn.recv())
-
     for result in results:
         if type(result[0]) is ParserError:
             logger.error("Failed to parse {0} - {1}".format(result[1],