* Fixed: Click-dragging multiple nodes beyond view limits causes schematic view to scroll out of bounds
* Fixed: Inserting a new node onto an existing connection by clicking on it in schematic view produces an error and crash
* Fixed: Blank Zookeeper window after opening a scene that has an error box displayed
* Fixed: Errors and crash when trying to drag out an output of a controller which has too many dependencies (the dependency list is disabled for now)