-------------------- ver. 1.0.0 -----------------------------
Initial commit

-------------------- ver. 1.0.1 -----------------------------
Added find function for searching inside circular area (x,y, radius)

-------------------- ver. 1.0.2 -----------------------------
Added support for interactivity
Added findArea function for searching inside rectangular area (x1,y1,x2,y2,radius)
Added support for edge target and source at another edge

-------------------- ver. 1.0.5 -----------------------------
Better edge styling
Support for SDF (Signed distance) fonts