tolerate errors within _all_ car.* handlers

0111-populate_missing_handlers

@@ -4,9 +4,9 @@ populate_missing_handlers = function()
 			-- make it available to scripts
 			on[handler_name] = function(...)
 				if car[handler_name] then
-					car[handler_name](...)
+					call_protected(car[handler_name], ...)
 				end
 			end
 		end
 	end
-end
+end