graph
- Update changelog2020-04-09, by Chris Cannam
- Build fix2020-04-09, by Chris Cannam
- Add signal handler to checker2020-04-09, by Chris Cannam
- Merge2020-04-09, by Chris Cannam
- Adjust cache storage in FFTModel, speeding up the peak-frequency spectrogram2020-04-09, by Chris Cannam
- Subrepo update2020-04-08, by Chris Cannam
- Update Piper subrepos, fixing #1903 Parameter values do not update correctly in the UI2020-04-08, by Chris Cannam
- Merge from branch sensible-delimited-data-strings2020-04-06, by Chris Cannam
