introduce WBEMConnection::deleteInstance()
fix CIMProperty::array_size default value
introduce CIMProperty type auto-deduction
introduce CIMInstance auto-conversion of plain values into CIMProperty
allow properties and qualifiers to be None when constructing CIMInstance
allow keybindings to be None when constructing CIMInstanceName
introduce WBEMConnection::createInstance()
introduce WBEMConnection::modifyInstance()