Merge pull request #76 from themisir/master

Add inlineStr support

Author: rabanti-github

NanoXLSX/LowLevel/WorksheetReader.cs

@@ -593,6 +593,10 @@ private void ReadCell(XmlNode rowChild)
                         {
                             value = valueNode.InnerText;
                         }
+                        if (valueNode.LocalName.Equals("is", StringComparison.InvariantCultureIgnoreCase))
+                        {
+                            value = valueNode.InnerText;
+                        }
                     }
                 }
             }
@@ -639,6 +643,11 @@ private Cell ResolveCellData(string raw, string type, string styleNumber, string
                 importedType = Cell.CellType.FORMULA;
                 rawValue = raw;
             }
+            else if (type == "inlineStr")
+            {
+                importedType = Cell.CellType.STRING;
+                rawValue = raw;
+            }
             else if (dateStyles.Contains(styleNumber) && (type == null || type == "" || type == "n"))
             {
                 rawValue = GetDateTimeValue(raw, Cell.CellType.DATE, out importedType);