Fixed bugs relating to deleting loops (e.g. when closing graph); see bugs 1515, 1641, 1642.
Fixed bugs relating to deleting loops (e.g. when closing graph);
see bugs 1515, 1641, 1642.

ellson/graphviz,kbrock/graphviz,BMJHayward/graphviz,jho1965us/graphviz,BMJHayward/graphviz,kbrock/graphviz,BMJHayward/graphviz,MjAbuz/graphviz,ellson/graphviz,ellson/graphviz,kbrock/graphviz,jho1965us/graphviz,tkelman/graphviz,ellson/graphviz,kbrock/graphviz,tkelman/graphviz,kbrock/graphviz,pixelglow/graphviz,MjAbuz/graphviz,ellson/graphviz,ellson/graphviz,pixelglow/graphviz,pixelglow/graphviz,MjAbuz/graphviz,tkelman/graphviz,jho1965us/graphviz,kbrock/graphviz,tkelman/graphviz,pixelglow/graphviz,kbrock/graphviz,tkelman/graphviz,kbrock/graphviz,pixelglow/graphviz,BMJHayward/graphviz,BMJHayward/graphviz,ellson/graphviz,MjAbuz/graphviz,pixelglow/graphviz,jho1965us/graphviz,ellson/graphviz,BMJHayward/graphviz,MjAbuz/graphviz,BMJHayward/graphviz,jho1965us/graphviz,tkelman/graphviz,jho1965us/graphviz,jho1965us/graphviz,kbrock/graphviz,MjAbuz/graphviz,tkelman/graphviz,jho1965us/graphviz,ellson/graphviz,BMJHayward/graphviz,MjAbuz/graphviz,jho1965us/graphviz,pixelglow/graphviz,pixelglow/graphviz,tkelman/graphviz,BMJHayward/graphviz,tkelman/graphviz,kbrock/graphviz,ellson/graphviz,jho1965us/graphviz,MjAbuz/graphviz,kbrock/graphviz,pixelglow/graphviz,jho1965us/graphviz,pixelglow/graphviz,tkelman/graphviz,BMJHayward/graphviz,MjAbuz/graphviz,BMJHayward/graphviz,MjAbuz/graphviz,tkelman/graphviz,ellson/graphviz,pixelglow/graphviz,MjAbuz/graphviz