+ dropping checking mutagen version against version 1.17 since easy=True option of File() has been dropped. + fixed fatal errors when mutagen is not installed. instead, metadata support is dropped.
4.2.3
+ code cleanup
4.2.2
+ code cleanup
4.2.1
+ removed the easy=True dependency on mutagen's File + fixed missing 'normal' ogg vorbis preset on configuration file
4.2.0
+ removed quality presets from code and placed them in a separate file /etc/ftransc/presets. + added new option to specify a custom preset file: --presets
4.1.9
+ reverted back metadata extraction method to earlier revision.