Updated changelog for release 1.3.

Author: chsou

CHANGELOG.md

@@ -1,7 +1,19 @@
 # Changelog
 
+## Version 1.3
 
-## Work in progress
+### Changed
+
+* All objects with fragments can now be converted to Pandas Series (Thanks Sam!).
+
+### Added 
+
+* Added support for operations (Thanks Alex!).
+
+* Added support for lastUpdated field in alarms and events.
+
+
+## Version 1.2
 
 ### Changed
 
@@ -14,12 +26,6 @@
 
 * Added device agent registration sample (Thanks Nick!).
 
-* Added support for operations (Thanks Alex!).
-
-* All objects with fragments can now be converted to Pandas Series (Thanks Sam!).
-
-* Added support for lastUpdated field in alarms and events.
-
 
 ## Version 1.1.1