message: Use forward declare for StringTable in StructureInspector.h
diff: #include "Core/Window.h"
  #include "Core/Button.h"
  -#include "StringTable.h"
  -
  #include <NAS2D/Renderer/Renderer.h>
  #include <NAS2D/Math/Point.h>
  class Structure;
  +class StringTable;
  class StructureInspector : public Window
  