Log.pm: Added functions
Log.pm: Added functions

- As AUTOLOAD was removed for better error handling, added missing filename method
- If internal severity -1, no log tag <> should be added
- LOGEND now calls the object destructor

mschlenstedt/Loxberry,mschlenstedt/Loxberry,mschlenstedt/Loxberry,mschlenstedt/Loxberry,mschlenstedt/Loxberry,mschlenstedt/Loxberry