* #272 no arrow, actually change id on channel changer
* #272 ability to apply style class to child
* #272 try methods for selecting items in OptionButton.cs
* #272 allow escaping right angle bracket in formatted message
* #272 ability to detect when local player is set / unset
* #272 make RemoveModal public since PushModal is as well, so modals can be removed on-demand if needed rather than relying on a click elsewhere
* #272 revert