Primative Bug

[VBAndCs]

While working on my Small Visual Basic, I discovered a bug in the Microsoft.SmallBasic.Library.Primitive class.
When I call Primitive.IsArray on a variable that has a numeric value, it reserts its value to null. Tracing this bug, I found that IsArray calls ConstructArrayMap(), which initializes the _arrayMap:
_arrayMap = new Dictionary<Primitive, Primitive>(PrimitiveComparer.Instance);
before calling AsString
char[] source = AsString.ToCharArray();
Un the AsString if _arrayMap is not null, the primative value is set to the string representaion of the array which is null:

		if (_arrayMap != null)
		{
			StringBuilder stringBuilder = new StringBuilder();
			foreach (KeyValuePair<Primitive, Primitive> item in _arrayMap)
			{
				stringBuilder.AppendFormat("{0}={1};", Escape(item.Key), Escape(item.Value));
			}
			_primitive = stringBuilder.ToString();
		}

[VBAndCs]

A possible fix is to make the _arrayMap check an elseif to be ignored if the promative has a numeric value

		elseif (_arrayMap != null)
		{