Core API Coverage - DSP

This is a tracking issue for API coverage. Entries should be checked off when they're exposed and documented.

- Connections
- [x] DSP::addInput
- [x] DSP::getInput
- [x] DSP::getOutput
- [x] DSP::getNumInputs
- [x] DSP::getNumOutputs
- [x] DSP::disconnectAll
- [x] DSP::disconnectFrom
- Parameters
- [ ] DSP::getDataParameterIndex
- [x] DSP::setNumParameters
- [x] DSP::setParameterBool
- [x] DSP::getParameterBool
- [ ] DSP::setParameterData
- [ ] DSP::getParameterData
- [x] DSP::setParameterFloat
- [x] DSP::getParameterFloat
- [x] DSP::setParameterInt
- [x] DSP::getParameterInt
- [ ] DSP::getParameterInfo
- Channel format
- [x] DSP::setChannelFormat
- [x] DSP::getChannelFormat
- [x] DSP::getOutputChannelFormat
- Metering
- [ ] DSP::getMeteringInfo
- [ ] DSP::setMeteringEnabled
- [ ] DSP::getMeteringEnabled
- Processing
- [x] DSP::setActive
- [x] DSP::getActive
- [x] DSP::setBypass
- [x] DSP::getBypass
- [x] DSP::setWetDryMix
- [x] DSP::getWetDryMix
- [x] DSP::getIdle
- General
- [ ] DSP::showConfigDialog
- [x] DSP::reset
- [x] DSP::getType
- [x] DSP::getInfo
- [x] DSP::getCPUUsage
- [ ] DSP::setUserData
- [ ] DSP::getUserData
- [x] DSP::setCallback
- [x] DSP::getSystemObject