Fixed a bug where all sandbox references were accidentally weak.
Fixed a bug where all sandbox references were accidentally weak.

unitecontrol/contextify,beni55/contextify,narma/contextify,szarouski/contextify,brianmcd/contextify,szarouski/contextify,beni55/contextify,beni55/contextify,unitecontrol/contextify,brianmcd/contextify,szarouski/contextify,unitecontrol/contextify,brianmcd/contextify,narma/contextify,narma/contextify