FireVoxel Build 191 is released.

1. MainMenu>3D Projection>{Make Isotropic,Rotate and Create New volume} functions.  Fixed defect when the function would run but resulting document would not be created.
2. 4D registration of a single slice Renal volume (CIR):  corrected defect that produced the message "Incorrect Isotropic resolution".
3. Single slice registration 3D\4D:   fixed defect when URAL\URALTAU measure would not work
4. AutoFocus registration (SingleSlice volumes):  corrected defect when constructing Target operand with Downscale>1.
5. CERENE3D workflow:  modified kidney registration menu to include separate items for 2D (CIR) and 3D (NUCS) datasets.