Added onTryLoad, onTryUnload, forceLoad, forceUnload for meta.Controller class.
Added onTryLoad, onTryUnload, forceLoad, forceUnload for meta.Controller class.

tenjou/meta2d,InfiniteFoundation/meta2d,InfiniteFoundation/meta,InfiniteFoundation/meta2d,InfiniteFoundation/meta2d,InfiniteFoundation/meta,InfiniteFoundation/meta,InfiniteFoundation/meta,InfiniteFoundation/meta2d