Seems like XCFA passes bitrate to encoder even if i choose quality. Thanks again...
Currently LAME encoder supports VBR "quality" up to 9.999 (according to http://lame.cvs.sourceforge.net/viewvc/lame/lame/USAGE)...
adding .gitignore to git
adding TODO file
Seems like now it works
found a bug: https://sourceforge.net/p/bonkenc/bugs/86/
bad parallel processing of .ogg files