1.1 Update!

-Layers are now displayed properly

-You can now change the speed of the simulation

-Changes in zoom distance are now possible by holding ctrl for faster zoom and shifting for slower zoom.

-You can have more than one option (character) accepted by an arrow!

-Minor design changes.

-Brand new deletion technique: you can now toggle deletion and press on the nodes you want to remove instead of dragging them to the trash bin.

-The bug that deleted a node but not arrows related to him was fixed!