Pedestal logging and metrics facilities.
To install, add the following dependency to your project or build file:
Logging via slf4j. Each logging level is a macro: trace, debug, info, warn, and error. Each namespace gets its own Logger. Arguments are key-value pairs, which will be printed as with 'pr'. The special key :exception should have a java.lang.Throwable as its value, and will be passed separately to the underlying logging API. One can override the logger via JVM or ENVAR settings.
Public variables and functions: