Issues with Pivot Cache

CT_pCDSDTCEntries Elements are choice, so should allow_none CT_Tuple only item is required, rest should allow none.

Spec:

<complexType name="CT_PCDSDTCEntries">
	<choice maxOccurs="unbounded">
	<element name="m" type="CT_Missing"/>
	<element name="n" type="CT_Number"/>
	<element name="e" type="CT_Error"/>
	<element name="s" type="CT_String"/>
	</choice>
	<attribute name="count" type="xsd:unsignedInt"/>
</complexType>

<complexType name="CT_Tuple">
	<attribute name="fld" type="xsd:unsignedInt"/>
	<attribute name="hier" type="xsd:unsignedInt"/>
	<attribute name="item" type="xsd:unsignedInt" use="required"/>
</complexType>

Sample file:sample5.xlsx

Tracking here so I don't lose it. I'll submit the merge on 3.1?