smooth category scrolling
individual reset buttons for all controllers
separate Dimension into Dimension and MutableDimension to prevent mods from modifying controller dimensions without invoking the hooks
made the dimension field private in AbstractWidget so people can't modify it without the method setDimension
new Option API method to check if pending value is equal to default value
add documentation to ConfigInstance
fix bug where Option#requestSetDefault and Option#forgetPendingValue implementations weren't notifying listeners