### 0.5.2
- redefine `[ecron global up/down]` telemetry event.

### 0.5.1
- Replace `cluster_quorum_size` by `global_quorum_size`.
- Check if job's name is duplicate.

### 0.5.0
- Support global_jobs by `global`.
- Add global/up/down telemetry metrics.
 
### 0.4.0

- Add `ecron:reload/0`.
- Expose telemetry metrics.