CHANGELOG.md in format_parser-0.20.0 vs CHANGELOG.md in format_parser-0.20.1

@@ -1,4 +1,7 @@
+## 0.20.1
+* Make sure EXIF results work correctly with ActiveSupport JSON encoders
+
 ## 0.20.0
 * Correctly tag the license on Rubygems as MIT (Hippocratic) for easier audit
 
 ## 0.19.0
 * Improve handling of Sony ARW files (make sure the width/height is correctly recognized)