Merge pull request #1436 from stark821/master

Adding list data type to 'res' parameter of filter() function.

pytube/query.py

@@ -123,7 +123,10 @@ class StreamQuery(Sequence):
         """
         filters = []
         if res or resolution:
-            filters.append(lambda s: s.resolution == (res or resolution))
+            if isinstance(res, str) or isinstance(resolution, str):
+                filters.append(lambda s: s.resolution == (res or resolution))
+            elif isinstance(res, list) or isinstance(resolution, list):
+                filters.append(lambda s: s.resolution in (res or resolution))
 
         if fps:
             filters.append(lambda s: s.fps == fps)