- added Worldedit integration for //undo //redo and //gmask
- added a push and pull mode
- added a 3D mode
- removed bounding box (//gmask #region) and mountain mode
- optimised placing of blocks with Fast async WorldEdit
- fixed PlotSquared problems
- removed internal heightmap with a better system for less RAM usage
- heightmaps should be a lot more smooth now
- added 3 heightmaps for better use of 3D mode
- a lot of tiny improvements