[Fix] Nullable types in ExecuteScalar #85
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oysteinkrog
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[Fix] Nullable types in ExecuteScalar
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ExecuteScalar not support Nullable<> types. For example,
db.ExecuteScalar<int?>()fails with error: "System.NotSupportedException : Don't know how to read System.Nullable`1[System.Int32]"This PR fixes the problem and adds the test.