bot checkin

Author: stevehu

CHANGELOG.md

@@ -1,5 +1,8 @@
 # Change Log
 
+## [1.5.9](https://github.com/networknt/openapi-parser/tree/1.5.9) (2018-02-21)
+[Full Changelog](https://github.com/networknt/openapi-parser/compare/1.5.8...1.5.9)
+
 ## [1.5.8](https://github.com/networknt/openapi-parser/tree/1.5.8) (2018-02-03)
 [Full Changelog](https://github.com/networknt/openapi-parser/compare/1.5.7...1.5.8)