Extra Gui controls 1.0 2D Tools 3.4 Community

Submitted by user Rossunger; MIT; 2021-12-29

A set of extra GUI tools.
Make your GUI components draggable, resizeable, scrollable, zoomable, rename-able, Selectable (click and drag to select),
A child adder which lets you instance scenes (works recursively)
A toggle visibility button. A remote_hide button.
A tab system
A save/load system
An undo system