Prevented StandardNodule from making invalid connections.
Prevented StandardNodule from making invalid connections.

Previously it was allowing an output of a node to be connected to an input of the same node.

johnhaddon/gaffer,appleseedhq/gaffer,andrewkaufman/gaffer,chippey/gaffer,ImageEngine/gaffer,andrewkaufman/gaffer,lucienfostier/gaffer,appleseedhq/gaffer,appleseedhq/gaffer,hradec/gaffer,johnhaddon/gaffer,ivanimanishi/gaffer,ivanimanishi/gaffer,andrewkaufman/gaffer,goddardl/gaffer,paulondc/gaffer,goddardl/gaffer,davidsminor/gaffer,ivanimanishi/gaffer,ImageEngine/gaffer,chippey/gaffer,ivanimanishi/gaffer,johnhaddon/gaffer,ImageEngine/gaffer,GafferHQ/gaffer,GafferHQ/gaffer,davidsminor/gaffer,hradec/gaffer,GafferHQ/gaffer,lucienfostier/gaffer,cedriclaunay/gaffer,GafferHQ/gaffer,appleseedhq/gaffer,hradec/gaffer,lucienfostier/gaffer,boberfly/gaffer,davidsminor/gaffer,chippey/gaffer,andrewkaufman/gaffer,boberfly/gaffer,johnhaddon/gaffer,hradec/gaffer,paulondc/gaffer,boberfly/gaffer,cedriclaunay/gaffer,chippey/gaffer,GafferHQ/gaffer,cedriclaunay/gaffer,andrewkaufman/gaffer,goddardl/gaffer,paulondc/gaffer,cedriclaunay/gaffer,hradec/gaffer,goddardl/gaffer,paulondc/gaffer,davidsminor/gaffer,boberfly/gaffer,ImageEngine/gaffer,johnhaddon/gaffer,lucienfostier/gaffer