Regional settings error

```
Please, in ChartData.cs change the ToString() call in the function 
textEncode(float[] data) with this: 
value.ToString(System.Globalization.CultureInfo.InvariantCulture.NumberFormat) 
for work in systems with a different decimal separator.

Thank you
```

Original issue reported on code.google.com by `fcojavie...@gmail.com` on 27 Dec 2010 at 9:32
