update for release

CHANGES.md

@@ -1,7 +1,3 @@
-This release adds new validation and sanitizing rules:
-
-- `lowerCase` for all-lower-case values
-- `upperCase` for all-upper-case values
-- `titleCase` for title-cased values
-- `lowerCaseFirst` for values where the first character is lower-case
-- `upperCaseFirst` for values where the first character is upper-case
+- (ADD) Implement JsonSerializable in the Failure class
+- (DOC) Update the documentation
+- (FIX) Removed undefined but registered sanitizers from SanitizerLocator