SharpXmlException: use .NET exception type instead
fix deserialization of nullable attributes
fix serialization of System.Type
serialization: fix System.Object determination
add attribute support to string constructor classes
add support for XmlNamespaceAttributes to be inherited
support for multiple process instructions at the root level
support for comments and DOCTYPE at the root level
support for single quoted XML attributes
deserialization support for CDATA elements
fix serialization of boolean attribute values
attribute serialization fix
fix deserialization of string attributes into enum values
add attribute support for types with custom serializer methods
add order to XmlElementAttribute
reverse sort order logic
try to keep natural element order
rebuild to handle empty single elements in list elements
single tag deserialization: improve error handling
fix serialization unit tests because of tags order