Build 479 is released. 

 1. Correction "V[t]-V[1] subtraction function.

2. ROI layers to atlas map function : enabled 4D operands. 

3. Fixed defect: when new ROI is created in Layer Control Dialog (Single slice), the Z-resolution now matches the base layer (isotropic before fix). 

4. Improved parameters in the Lung MRI workflow Segmentation by Registration.

5. Improved BM1 workflow so it works with .gz files and optionally without ROIs.