* Added a callback registration to the event class so that frameworks can decide how to write the events. Note: This is FULLY backwards compatible i.e., no change in the API so - won't break existing users

* Fixed compilation error

* Attempting to fix broken Windows build

* Fixed a race condition in the test

* Attempt to fix windows build again

* Added the initial rev. of the Event tracing

* Fixed the API and format

* Updated based on review feedback

* More updates based on code review feedback

* Fixxed format again

* More update based on PR review comments

* Fixed format

* Fix a compilation error that doesn't show up in local system!