Added cache for DataLogger instances produced using the DataLoggers factory.
Added extra log information to shutdown hook.
Added confirm exit dialog.
Added confirm exit dialog.
Removed/depreciated the DataLogger.logEntries() method and the associated DataLoggrIterator class.
Refactored KeyLogger to CharTypedLogger.
Added KeyPressedLogger.
Fixed copy/paste error.
Minor bug fix.
Added KeyReleasedLogger.
Removed remaining remnants of the depreciated DataLogger.logEntries().
Updated project TODO list.
Added LogEvent class and event member to LogEntry.