title: FieldConverter ConverterKind.Date "dd/MM/yyyy" exception
body: <p>I try to read a csv file.
  my fifth record contans a date: 03/11/2008</p>
  
  <p>This is a piece of my code:</p>
  
  <pre><code>    [FieldConverter(ConverterKind.Date, "dd/MM/yyyy")]
      public DateTime datum_5;
  </code></pre>
  
  <p>My code crashs on this: </p>
  
  <pre><code>Result[] results= (Result[])engine.ReadFile(@"..\Data\expo.txt");
  </code></pre>
  
  <p>And with this exception:
  Line: 1. Column: 41. Field: datum_5. Error Converting '03/11/2008' to type: 'DateTime'.  Using the format: 'dd/MM/yyyy'</p>
  
  <p>When i do this:</p>
  
  <pre><code>[FieldConverter(typeof(ConvertDate))]
  
          public DateTime datum_5;
  </code></pre>
  
  <p>with this:</p>
  
  <pre><code>internal class ConvertDate : ConverterBase
     {
  
         /// &lt;summary&gt;
         /// different forms for date separator : . or / or space
         /// &lt;/summary&gt;
         /// &lt;param name="from"&gt;the string format of date - first the day&lt;/param&gt;
         /// &lt;returns&gt;&lt;/returns&gt;
  
         public override object StringToField(string from)
         {
             DateTime dt;
  
             if (DateTime.TryParseExact(from, "dd.MM.yyyy", null, DateTimeStyles.None, out dt))
                 return dt;
  
             if (DateTime.TryParseExact(from, "dd/MM/yyyy", null, DateTimeStyles.None, out dt))
                 return dt;
  
             if (DateTime.TryParseExact(from, "dd MM yyyy", null, DateTimeStyles.None, out dt))
                 return dt;
  
             throw new ArgumentException("can not make a date from " + from, "from");
  
         }
     }
  </code></pre>
  
  <p>I got this exception: can not make a date from 03/11/2008
  Parameternaam: from</p>
  
  <p>What am i doing wrong?</p>