added kEdge (just renamed copy of kNode)
added kEdge (just renamed copy of kNode)

mprinc/KnAllEdge,Cha-OS/KnAllEdge,Cha-OS/KnAllEdge,mprinc/KnAllEdge,Cha-OS/KnAllEdge,mprinc/KnAllEdge,Cha-OS/KnAllEdge,mprinc/KnAllEdge,Cha-OS/KnAllEdge,mprinc/KnAllEdge