- Upgraded PyYAML to 5.3.1 to fix CVE-2017-18342 among others
- [FEATURE] Reload configuration file on SIGHUP. [21](https://github.com/spreaker/prometheus-pgbouncer-exporter/pull/21) (thanks to [Vineet Joshi](https://github.com/jvineet))
- [FEATURE] Added new metrics taken from pgbouncer configuration [23](https://github.com/spreaker/prometheus-pgbouncer-exporter/pull/23) (thanks to [José Gabriel Duarte](https://github.com/jgduarte-stratio))
- `pgbouncer_databases_database_max_connections`: Maximum number of allowed connections per-database (labels: `database`, `backend_database`)
- `pgbouncer_config_max_client_conn`: Configuration of maximum number of allowed client connections
- `pgbouncer_config_max_user_connections`: Configuration of maximum number of server connections per user