parses filenames and creates labels out of it
Usage:
main.py file <input> <regex> -s=<seperator> -o=<offset>
main.py dir <directory> <regex> -s=<seperator> -o=<offset>
Options
-s extra seperation step for matches that contain multiple labels
seperated by a delimiter
-o offset to add or subtract from the labels (e.g.: midi->key offset)