Changelog!

Author: lpil

CHANGELOG.md

@@ -2,6 +2,9 @@
 
 ## Unreleased
 
+- Created the `iterator` module with the `unfold`, `repeatedly`, `repeat`,
+  `from_list`, `fold`, `run`, `to_list`, `take`, `drop`, `map`, `filter`,
+  `cycle`, and `range` functions.
 - Created the `set` module with the `new`, `insert`, and `contains` functions.
 - Created the `io` module with the `print`, `println`, and `debug` functions.
 - Created the `queue` module with the `new`, `from_list`, `to_list`,