* fix nil stringer error
* include API path with all API ERROR logs
* enable "caller" field
* disable colour output and min msg length for plugin
* bump Logr version to v2.0.4
- structured, asynchronous logging
- supports discreet log levels, including custom levels
- supports output to console, files, and all common log aggregators.
- supports JSON, plain text and GELF formats
- lazy formatting and writing