Merge pull request #4 from jakepoz/patch-1

Stream data in order it was received

Author: arjan-s

zipstream/__init__.py

@@ -191,7 +191,7 @@ def __exit__(self, type, value, traceback):
 
     def flush(self):
         while self.paths_to_write:
-            kwargs = self.paths_to_write.pop()
+            kwargs = self.paths_to_write.pop(0)
             for data in self.__write(**kwargs):
                 yield data