It's now possible to create different Rail configs (ie : Config 1 : HiPrecision, Config 2 : Fast Moving, ...). Use the Rail Icon to try it.
Added a Icon menu to select and config the rail.
Added a Shutter button.
Now, if not in Adaptive Bellows mode, the Lens, Sensor and Bellows panels allows you to calculate MAgnification, DOF, Diffraction, for a specific extension.
Corrected a bug leading to a crash at start.