Pysoa

-------------------
- [PATCH] 161: Fix server to start async event loop thread, thread to join properly

-------------------
- [PATCH] Fix issues 152 and 156 resulting in IndexErrors
- [MINOR] Bump Conformity, Attrs to support Attrs 17.4 - 19.x
- [PATCH] Fix exceptions being thrown for missing job request keys (154)
- [MAJOR] Step 2 in the message serializer content type header
- [PATCH] Run the event loop in a separate thread. (150)
- [PATCH] Fix tests broken by latest PyTest version

-------------------
- [PATCH] Use client timeout for expansions receive responses
- [PATCH] Fix test failures introduced by PyTest 4.2.0
- [MINOR] Fix build failures and preempt Travis deploy failure

-------------------
- [PATCH] Update test compatibility tools to eliminate warnings
- [MINOR] Allow use of `raise_job_errors` and `catch_transport_errors`

-------------------
- [PATCH] Throttle updates of the heartbeat file

-------------------
- [PATCH] Support newer versions of several dependencies