Add filter, pipeline output, results to instrument payload
Instrument any contextually interesting data, cleanup, test
Document added payload values
Output is already in the payload
Document output in the payload
Remove unneeded autoload

Not necessary because there is no such class to load.
Setup pipeline instrumentation, with name, test

Add an `instrumentation_name` attribute to the Pipeline. Events report
this name for the originating pipeline.

Add `setup_instrumentation` method to the Pipeline. Sets the
instrumentation name and service.
Undoc removed payload item, doc setup_instrumentation
Merge pull request #46 from mtodd/instrument-doc

Include output and results to filter, pipeline event payload