Build type information on first use (load-time), instead of using a hardcoded list

--HG--
branch : dynamiccore2

src/common/Object.h

@@ -22,6 +22,7 @@
 #define LOVE_OBJECT_H
 
 #include <atomic>
+#include "types.h"
 
 namespace love
 {
@@ -38,6 +39,8 @@ class Object
 {
 public:
 
+	static love::Type type;
+
 	/**
 	 * Constructor. Sets reference count to one.
 	 **/