• Added 64-bit Windows build.
• Added Audio Spectrum analyzer.
• Changed audio Gain filter to use dB and log scale.
• Added a toggle button to Lock a track.
• Changed Insert and Ripple Delete to ripple across all unlocked tracks.
• Changed keyboard shortcut to adjust track height to Ctrl+- and Ctrl+=.
• Added keyboard shortcuts to toggle track:
  • Mute - Ctrl+M
  • Hide - Ctrl+H
  • Lock - Ctrl+C