log4ahk 
This library uses AutoHotkey Version 2. (Tested with AHK v2.0-a100-52515e2 x64 Unicode)
Description
Simple logging with AutoHotkey - supporting some features as provided in log4j or log4Perl
Usage
Include log4ahk.ahk from the lib folder into your project using standard AutoHotkey-include methods.
#include <log4ahk.ahk>
; Initialize the logger
logger := new log4ahk()
; Set the appenders to be logged to: STDOUT
logger.appenders.push(new logger.appenderstdout())
; Set the layout for the messages
logger.layout.required := "[%V] #%M# %m"
; Choose the desired loglevel
logger.loglevel.required := logger.loglevel.INFO
logger.trace("TraceTest") ; This Message should not be logged due to choosen loglevel
logger.info("InfoTest") ; This Message should be logged!For usage examples have a look at the files log4ahk_demoXX.ahk.
For more detailed documentation have a look into the source file log4ahk.ahk or online html-documentation