Fix a bug where blank elements in shared strings were throwing off the indexing. Also use the correct variable when filling the worksheet.
Fix a bug where blank elements in shared strings were throwing off the indexing. Also use the correct variable when filling the worksheet.

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