v0.3.0

Added

• Scroll bars to menus, shown when a menu is too long to fit.
• Save the GUI state periodically to a recovery file and load it on
  startup of the app, if present. The recovery files are located in the
  app config directory (e.g. AppData/Roaming/Sointu on Windows).
• Save the VSTI GUI state to the DAW project file, through GetChunk /
  SetChunk mechanisms.
• Instrument presets. The presets are embedded in the executable and
  there's a button to open a menu to load one of the presets.
• Frequency modulation target for oscillator, as it was in 4klang
• Reverb preset settings for a delay unit, with stereo, left and right
  options

Fixed

• Crash when running more than one sointu VSTI plugins in parallel
• The scroll bars move in sync with the cursor.
• The stereo version of delay in the go virtual machine (executables / plugins
  not ending with -native) applied the left delay taps on the right channel, and
  the right delay taps on the left channel.
• The sointu-vsti-native plugin has different plugin ID and plugin name
  to not confuse it with the non-native one
• The VSTI waits for the gioui actually have quit when closing the
  plugin

Changed

• BREAKING CHANGE: The meaning of default modulation mode ("auto") has
  been changed for cross-instrument modulations: it now means "all"
  voices, instead of first voice (which was redundant, as it was same as
  defining voice = 0). This means that for cross-instrument modulations,
  one "all vocies" send gets actually compiled into multiple sends, one
  for each targeted voice. For intra-instrument modulations, the meaning
  stays the same, but the label was changed to "self", to highlight that
  this means the voice modulates only itself and not other voices.