enum LogSeverity

Each log entry is assigned a severity.

This can be used to put a filter on the log so that only events of a certain severity get logged.

`0`	`EMERGENCY` Add this to the severity filter to capture EMERGENCY events to the log.
`1`	`ALERT` Add this to the severity filter to capture ALERT type events in the log.
`2`	`CRITICAL` Add this to the severity filter to capture CRITICAL events to the log.
`3`	`ERROR` Add this to the severity filter to capture ERROR events to the log.
`4`	`WARNING` add this to the severity filter to capture WARNING events to the log.
`5`	`NOTICE` Add this to the severity filter to capture NOTICE events to the log.
`6`	`INFO` Add this to the severity filter to capture INFO events to the log.