Added Camera to allow bigger maps, still have to set a good bounding box on it (where the scrolling starts)
Changed how the editor uses its tools, d now toggles between all available tools.
Added 2 new tools (1 in wip)
   Move tool: pick up an entity and put it down elsewhere
   Edit tool: is supposed to select an entity and allow you to edit its variables
Added cursors for all 4 tools
changed how the canvas does stuff also added some framework for the edit tool.