mutagen import only on tagging

minor fixes

fix #5: ffmpeg in PATH on windows

fix #5: ffmpeg in PATH on windows

minor metadata fix

bugfixes

- fixed #3 unsupported encoder - mp3
- removed code for WavPack - was not implemented anyway
- removed duplicate code/classes in AudioFileReader
- updated version to 1.1.2

code cleanup

- version 1.1.1

minor fixes

- version bumped to 1.1.0
- fixed hist/plot #1 --hist does not work
- regexp warnings fixed

minor fixes

- version bumped to 1.1.0rc2
- "News" footer is shown when run without arguments
- if tracks have varying sampling rates and bits per sample, this is explicitly stated in the report - simon-r#85
- readme updated
- updated copyright

Fixed $ issue