Some Assign Modes are not yet supported #101
Description
ExpressionType.AndAssign
ExpressionType.ExclusiveOrAssign
ExpressionType.LeftShiftAssign
ExpressionType.OrAssign
ExpressionType.PostDecrementAssign
ExpressionType.PostIncrementAssign
ExpressionType.PowerAssign
ExpressionType.PreDecrementAssign
ExpressionType.PreIncrementAssign
ExpressionType.RightShiftAssign