TwistyPuzzleLib

Fix for improper calculations of circumscribed radius

minor

Better structure things architecturally.

bugfix

Minor

Finally! Split TwistyObject into:

- lower class 'TwistyObjectTheoretical' (an object that has no mesh, no stickers, cannot be touch-controlled, but knows how a real object of its kind moves - so can be used e.g. in solvers)

- everything else above it.

In the future, the 'everything else' will be further slipt into...

minor

improve the way Crazy Puzzles are done: JSON files

improve the way Crazy Puzzles are done (this does not depend on mShapes anymore)

First stage of the planned split of the giant TwistyObject class into (at first!) two: TwistyObjectTheoretical (a 'theoretical' object which moves just like the real one, but which has no mesh, stickers, shapes, node and cannot be controlled) and everything else.