Fixed constructed using Boolean String head uppercase unusual cause problems

Example:
bool flag = true;
string conn = String.Format("host=localhost;publisherConfirms={0}",flag);

conn = "host=localhost;publisherConfirms=True"
Error in
\Sprache\ParserOfT.cs  line 34
if (!success.Remainder.AtEnd)
{
     throw new ParseException(string.Format("Parsing failure: Couldn't parse the whole input; unparsable remainder is: \"{0}\".", success.Remainder.Source.Substring(success.Remainder.Position)));
 }