added "value_var" to .size() deprecates
added "value_var" to .size() deprecates

lucasmachadorj/d3plus,Jay-Oh-eN/d3plus,mssyogi/d3plus,romind/d3plus_sandbox,bryanph/d3plus,DeemaJS/d3plus,romind/d3plus,alexandersimoes/d3plus,CodeCutterUK/d3plus,kizzyterra14/d3plus,mayblue9/d3plus