Added a check for the old way of doing data_only
Added a check for the old way of doing data_only

ThijsWouters/rubyXL,weshatheleopard/rubyXL,mezza/rubyXL,99cm/rubyXL,weshatheleopard/rubyXL,weshatheleopard/rubyXL,ryanmark/rubyXL,mezza/rubyXL,mezza/rubyXL,99cm/rubyXL,ryanmark/rubyXL,ThijsWouters/rubyXL,ryanmark/rubyXL,parallel588/rubyXL,99cm/rubyXL,parallel588/rubyXL,parallel588/rubyXL