Implement shift+rotate
Implement shift+rotate

gvsi/LibraryMapping,UoEMainLibrary/LibraryMapping,gvsi/LibraryMapping,UoEMainLibrary/LibraryMapping,charlotteyizhang/LibraryMapping,gvsi/LibraryMapping,charlotteyizhang/LibraryMapping,charlotteyizhang/LibraryMapping,UoEMainLibrary/LibraryMapping