Snapshot worker cancels job if schedule was deleted.
Be consistent with status casing (always uppercase)
Merge pull request #143 from esheffield/job-status-consistent

Be consistent with status casing (always uppercase)
Merge pull request #142 from esheffield/snapshot-ignore-del-sched

Snapshot worker cancels job if schedule was deleted.
Added MySQL dependency in pip-requires
Merge pull request #149 from komawar/pip-req

Added MySQL dependency in pip-requires
Workers can now optionally pass their PID when registering
Merge pull request #155 from esheffield/worker_pid

Workers can now optionally pass their PID when registering
Fixed a broken test
Merge pull request #156 from esheffield/worker_pid

Fixed a broken test