Changes
* d2a34041bec2748f27016f5e3b4e506ea23ae889 22c15f2f928ba417ef9ed6286b356d08deb860ab When tokenizing, files not found can now be logged
* 1f74e3a57aa28c150fb74ad7934f033091a437fe MASK tokens now available, use your_tokenizer.vocab.add_mask() to add in in your vocabulary.
* 1f74e3a57aa28c150fb74ad7934f033091a437fe fix to a possible bug when using custom vocabulary indexes, then non custom. Now checking indexes before registering tokens.
* 2f877654d0a0507ae2d4980325031e87f4ddb740 merge_tracks() now also merges sustain pedal, control change and pitch bend messages with the effects arg, and now handles List[Instrument] as well as MidiFile objects.
* 2e77eec91ea215186727881c57e618705dc72ce8 MIDI-Like token_types_errors() now looks for Note-Off for each Note-On tokens.
Compatibility
All good !