Update changelog

Author: 7rulnik

CHANGELOG.md

@@ -1,5 +1,9 @@
 # Change Log
 
+## 1.0.3
+
+* Use sourceContents when non-null, even if it's an empty string ([#17](https://github.com/7rulnik/source-map-js/pull/17)) [@TrySound](https://github.com/bshepherdson)
+
 ## 1.0.2
 
 * Add types for path imports ([#13](https://github.com/7rulnik/source-map-js/pull/13)) [@TrySound](https://github.com/TrySound)