New Sceelix update, version 0.8.8.0 — Sceelix - Procedural Power Steam update #1578055

Major introductions: ADDED: * Added several new Surface operations, such as Cropping and Splitting, as well as new options for Surface loading, saving, texturing and modification. * Mesh Create now features generation of Octahedron, Icosahedron and Dodecahedron primitives. * Implemented support for dragging and dropping external files into the Project Explorer (Windows Platform only). * Implemented 3D model viewer in the designer's project explorer that allows for preview of popular file formats (obj, fbx, 3ds, etc). CHANGED: * Updated Unity Plugin to Unity 2019.3 and to its new Terrain format, while also supporting tree instancing. FIXED: * Several issues on the Linux and MacOS versions of the Designer have been addressed. Minor additions and bug fixes: ADDED: * Entities can now be set as attributes of other entities, while allowing access to their subattributes. * Path Modify's suboper...