0.4.1

• Performance-related updates ("auto-update histogram")
• changed histogram rendering from vedo to matplotlib
• fixed slider initial position bug
• Added fixed cumulative histogram with line to indicate filter position

0.3.1

• Change Graphics Manager to PySide2
• Add Acceptance tests (in features/ directory)
• Add Graphics smoke tests (in tests/test_gui.py)
• Histogram has better-behaving bins
• Draggable Sliders for Filtering Plotted Data based on Channel "Num Spot" column values
• Added screenshot generation app for docs