Added some docs
Added some docs

xmichaelx/TOIK2015-SankeyDiagramGroupDynamics,xmichaelx/TOIK2015-SankeyDiagramGroupDynamics,xmichaelx/TOIK2015-SankeyDiagramGroupDynamics,xmichaelx/TOIK2015-SankeyDiagramGroupDynamics