* (Add) Opening, Closing and Gradient Mutators
* (Add) Choose layer range when appling a mutator #1
* (Add) Choose iterations range/fading when appling a mutator (Thanks to Renos Makrosellis)
* (Add) Global and unhandled exceptions are now logged to be easier to report a bug
* (Change) Current layer and layer count text was reduced by 1 to match indexes on mutators
* (Improvement) Better mutator dialogs and explanation
* (Improvement) Compressed GUI images size
* (Fix) SlicerHeader was with wrong data size and affecting .photon, .cbddlp and .cbt (Thanks to Renos Makrosellis)