Update changelog

diff --git a/CHANGELOG.md b/CHANGELOG.md
index 9c74abe9d9c0f1bf438ec1840614fe7fd4a347da..e9957a0986327d71bac468bfa9dba1493c8d3692 100644 (file)
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -8,6 +8,14 @@ The format is based on [Keep a Changelog][] and this project adheres to
 [Semantic Versioning]: http://semver.org/
 
 ## Unreleased
+### Added
+- Cost distribution plot function.
+
+### Changed
+- Test script.
+
+### Fixed
+- Dijkstra path optimization only if goal found.
 
 ## 0.2.1 - 2018-10-06
 ### Fixed