Copied files from streamer repo.
Add README describing FT-buffer origin, add serialization.
Factor out serialization code.
Added doctest for serialization of samples.

Extended serialization by adding an optional server_time field.
Nuance documentation in serialization test.
Flesh out IDport client API.
Move Python examples to subdir.
Add documentation to serialization. Fix typo in idport.py.
WIP progress on making IDport a package.
First attempt at creating a Python package for IDport.
Implemented creation of new streams.
Add preliminary streaming.
Clarify name of streaming scripts, fix typo and remove duplicate mockserver.
Add unit test for posting samples.

This is just an initial test, using the mock package. Right now, we only
verify the nice code path. Though, it is already useful to spot
regressions.
Improve mocking for post-samples test.
Simplify string formatting in posting of samples.
Improve testing, add test for creating stream.
Refactor mocking in test to use decorators.
Add doctest for deserialization of JSON encoded samples.
Factor out serialization of streams and add tests.