update change log

Author: mjaschen

CHANGELOG.md

@@ -3,6 +3,12 @@
 All notable changes to `mjaschen/phpgeo` will be documented in this file.
 Updates should follow the [Keep a CHANGELOG](http://keepachangelog.com/) principles.
 
+## [6.0.2]
+
+### Fixed
+
+- Incorrect intersection checking for lines in some cases, see #96.
+
 ## [6.0.1]
 
 ### Added