Nodes with lots of Edges become unstable

[rm-code]

When a node is connected to a ton of other nodes it starts accelerating indefinitely and breaks the graph layout.

[rm-code]

Resetting the default values for the forces should do the trick:

local FORCE_SPRING = -0.001;
local FORCE_CHARGE = 1000000;

local FORCE_MAX = 4;
local NODE_SPEED = 128;
local DAMPING_FACTOR = 0.95;

local DEFAULT_MASS = 0.005;