InitLogging start the logging as per the command line flags.

NewCallerHook use to make an hook.

Redirected returns true if the log has been redirected from stdout.

Stack logs a stack trace of callers with the o and info passed in.

Trace debugs the entry and exit of the calling function It is designed to be used in a defer statement so it returns a function that logs the exit parameters.

CallerHook for log the calling file and line of the fine.