update changelog for v0.2.0

CHANGELOG.md

@@ -5,6 +5,32 @@ All notable changes to this project will be documented in this file.
 The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.1.0/),
 and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0.html).
 
+## [0.2.0] (2024-09-16)
+
+## Added
+
+- **Tests**: augment test suite to reach 100% code coverage.
+
+### Changed
+
+- **API** (breaking changes): function `Repeat` now has an `count` parameter
+  that specifies the number of repetitions of the desired value in the
+  resulting iterator; if `count` is negative, the resulting iterator
+  is infinite.
+- **Behavior** (breaking change): function `At` now panics if its `count`
+  argument is negative.
+- **Behavior** (breaking change): function `Drop` now panics if its `count`
+  argument is negative.
+- **Behavior** (breaking change): function `Take` now panics if its `count`
+  argument is negative.
+- **Documentation**: various improvements
+- **Tests**: improve examples
+
+### Removed
+
+- **API** (breaking change): function `Replicate`
+
 ## [0.1.0] (2024-09-14)
 
-[0.1.0]: https://github.com/jub0bs/iterutil/releases/tag/v0.1.0
+[0.2.0]: https://github.com/jub0bs/iterutil/compare/v0.1.0...v0.2.0
+[0.1.0]: https://github.com/jub0bs/iterutil/releases/tag/v0.1.0