- [issue 210] Export `bunyan.nameFromLevel` and `bunyan.levelFromName`. It can
be a pain for custom streams to have to reproduce that.
- [issue 100] Gracefully handle the case of an unbound
`Logger.{info,debug,...}` being used for logging, e.g.:
myEmittingThing.on('data', log.info)
Before this change, bunyan would throw. Now it emits a warning to stderr
*once*, and then silently ignores those log attempts, e.g.:
bunyan usage error: /Users/trentm/tm/node-bunyan/foo.js:12: attempt to log with an unbound log method: `this` is: { _events: { data: [Function] } }