Fixed NullReferenceException error if there's no record returned in ForwardsOnlyDataReader.UpdateOutputParameters
Added DataReaderTests.ExcuteReaderGettingEmptyResultSetWithOutputParameter to check if the reader works with empty result set when there's an output parameter
Check if there's any InputOutput or Output parameters before calling ParameterUpdateRow
Merge pull request #166 from tyler-nguyen/master

Fixed NullReferenceException error if there's no record returned in ForwardsOnlyDataReader.UpdateOutputParameters