gmac/backbone.epoxy — pull request #36 by jpurcell001 (2013-08-29 22:46:32+00:00)
Title: Setters on computed view properties were never invoked if the new value evaluated as falsy

This caused problems with UI elements like checkboxes that were bound to a computed view property. The setter would be invoked when the checkbox was switched on, but when it was switched off, the setter function got skipped.