updating changelog

Author: swhitty

CHANGELOG.md

@@ -1,6 +1,15 @@
 # Change Log
 
 
+## [0.5.0](https://github.com/swhitty/SwiftDraw/releases/tag/0.5.0) (2019-03-29)
+
+- Linear gradients
+- Patterns
+
+## [0.4.0](https://github.com/swhitty/SwiftDraw/releases/tag/0.4.0) (2019-02-12)
+
+- Support for ARC segments within Path
+
 ## [0.2.1](https://github.com/swhitty/SwiftDraw/releases/tag/0.2.1) (2018-11-19)
 
 - Support for Swift 4.2