* Rename baggage context file
* Initial baggage implementation
* Initial tests
* More tests
* Update baggage context functionality
* Add New method to baggage pkg
* Update namedtracer example
* URL encode baggage values
* Refactor and use internal baggage pkg
* Update OpenTracing bridge
* Update baggage propagator
* Fix lint and test errors
* Add changes to changelog
* Apply suggestions from code review
* Rename testcase field per suggestion
* Update test to verify last-one-wins semantics
* Explicitly seed random numbers with static seed in tests
* Parse Member key/value with string split
* Add test for member parse with equal signs in value
* Trim whitespaces for member key/value
