Checkbox Widget Doesn't toggle state

[minguo33]

First off, let me say I absolutely love what this library is trying to do and would very much like to see it finished.

In playing around with it, it seems the checkbox widget doesn't actually update the toggle variable when clicked. Investigating seems that the issue is that the if statement on line 44 of CheckBox.lua never is satisfied because the id is updated before it evaluates lastActiveItem.

I was able to get it to work by swapping out the if statement for the same one used in Button.lua

if uiState.hotItem==id and uiState.activeItem==id then