* Ensure plugin parameters for a transform are saved in the .sv file and restored in case the plugin has to be run again * Make plugin dialog offer options for mixdown/single-channel use if the file has more than one channels but the plugin only accepts one * Fix incorrect samplerate playback for second file loaded if its samplerate differed from first * Add Zoom to Fit and Select Visible Range menu options, split out Import Audio into main model and secondary model options * Add stubs for cut, copy and paste operations (not implemented yet)