MUTOOLS releases LUNA PR7b

MUTOOLS has released LUNA PR7b, which fixes a nasty crash bug that slipped into the recently released LUNA PR7.

Changes:

• Tuned: Scrollbars zoom in/out optimized: If scrollbar is at start, it zooms at start, else it zooms at the center.
• Tuned: Value2 Editor only shows relevant masks in mask list.
• Fixed: Crash bug when zooming audio part.