Use iterators instead of file lists

Change-Id: I49ea1075939d8e0d042d15556ea16db9359d3aff
diff --git a/Changes b/Changes
index 58ed8a7..f37c02d 100644
--- a/Changes
+++ b/Changes
@@ -1,5 +1,6 @@
 0.62 2025-07-15
         - Remove lock from tar builder.
+        - Don't create a list of files (that is passed to forks).
 
 0.61 2025-04-30
         - Support certainty in OpenNLP/Morpho.