Merge pull request #138 from lesw/master

 #123 Quotes are not escaped (CSV formatters)

Author: filipw

src/WebApiContrib.Core.Formatter.Csv/CsvOutputFormatter.cs

@@ -97,8 +97,11 @@ await streamWriter.WriteLineAsync(
 
                         var _val = val.Value.ToString();
 
-                        //Check if the value contans a comma and place it in quotes if so
-                        if (_val.Contains(","))
+                        //Escape quotas
+                        _val = _val.Replace("\"", "\"\"");
+
+                        //Check if the value contans a delimiter and place it in quotes if so
+                        if (_val.Contains(_options.CsvDelimiter))
                             _val = string.Concat("\"", _val, "\"");
 
                         //Replace any \r or \n special characters from a new line with a space