natural sorting algorithm is extracted from PivotData class; and is also used in sorting unused attributes
natural sorting algorithm is extracted from PivotData class; and is also used in sorting unused attributes

gsimenel/pivottable,nicolaskruchten/pivottable,ilovezy/pivottable,it4u/pivottable,ruranek/pivottable,vahaknp/pivottable,dbirchak/pivottable,gdseller/pivottable,ilovezy/pivottable,mxk1235/pivottable,fashionsun/pivottable,erendabanlioglu/pivottable,nicolaskruchten/pivottable,gsimenel/pivottable,ruranek/pivottable,WestDiscGolf/pivottable