Changes:
- Added Oberheim LPF/HPF/Bandpass/Bandstop filter.
- Replaced FAUST implementation of MoogLadder (the previous one stopped working with newer FAUST versions).
- Added CLAP and VST3 format.
- Bumped minor LV2 bundle version of all plugins.
- Updated DPF sub-module to commit
1504e7d3.
Fixes:
- Fixed typo in plugin display name of Korg filters.
- Updated deprecated DPF param flag enum value in plugin sources.
- Updated signatures in FAUST source code comment.
- Removed debugging output to stderr.
- Corrected LV2 plugin category for korg35hpf.