to 8192 a.k.a. 8KB.) Closes #95.

each Logger element.

org.apache.logging.log4j.core.util.WatchManager.FileMonitor.toString()
for debugging.

Provide shorter and more intuitive way to switch on Log4j internal debug
logging. -Dlog4j2.debug means DEBUG is ON
-Dlog4j2.debug=true means DEBUG is ON
-Dlog4j2.debug=false means DEBUG is OFF
-Dlog4j2.debug=flibberMeWidget means DEBUG is OFF

Provide shorter and more intuitive way to switch on Log4j internal debug
logging. Refactor current system property query into a private method to
avoid duplication.