Major features:
- New TooB BF-2 Flanger effect. Emulation of a famous flanger.
- New TooB Stereo Convolution Reverb
- Factory plugin presets for new plugins, and some old plugins.
- Support for state properties in factory presets.
Bug fixes:
- Crash when appending plugins to input nodes, or inserting before end node.
- Write configuration files in indented json format.
- Set default name for plugin preset to name of last-loaded plugin preset.
- Properly release websocket when web page goes into background idle state.