Fix compatibility issues with ms3 and webcolors when installing.
1.2.1
- Added some extra documentation - Added run_extraction.py, example script for extrating features using musif - Added erros variable on FeaturesExtractor to store files that were not procesed correctly in error_files.csv file - Fix some dependencies problems - Bug fixing on rhythm features
1.2
* Remove musif's native support on jsymbollic features. Add notebook to extract them independently * Improve documentation * fix bug on previous release