Implemented initial super client registration for user authentication.

Change-Id: I60a7396bef8c2f9b2c2e8bf1cb6e0d5018c79408
diff --git a/core/Changes b/core/Changes
index 1926b51..43d6a0b 100644
--- a/core/Changes
+++ b/core/Changes
@@ -3,6 +3,7 @@
  - Added OAuth2 scopes: INSTALL_USER_CLIENT, UNINSTALL_USER_CLIENT
  - Added status codes
  - Implemented searching option using a network endpoint
+ - Updated JsonUtils
 
 # version 0.67.1