Version 4.7.7: New option buttons on many tools — Neotrie VR Multiplayer Steam update #844513

New option button on the Selection tool to hide connected components. New option button on the parallel, rotation, mirror and fractal tools to replicate connected components. New option button on the Slider tool to interpolate between figures (not yet in multiplayer mode) New option button on the copy seal tool, to copy only the connected component. Fixed Bug: Creating tillings too slow Changing frequency and data of the slider tool synchronizes in multiplayer mode. Implemented restrictions of moves of connected components. Fixed bug: creating tillings works fine. Implemented labels of equations for the new mathitems planes. Internal mode on graphing calculator restricted to 25x25 subdivisions of intervals of parameters. Fixed bug on extruding faces.