def addEdge(self, outVertex, inVertex, label):
n1 = outVertex.neoelement<EOL>n2 = inVertex.neoelement<EOL>edge = n1.relationships.create(label, n2)<EOL>return Edge(edge)<EOL>
Creates a new edge
        @params outVertex: Edge origin Vertex
        @params inVertex: Edge target vertex
        @params label: Edge label

        @returns The created Edge object