TODO
* change XML value as string output to resemble wevtutil
* add pyfwevt_xml_document, pyfwevt_xml_tag and pyfwevt_xml_value
* add support for hexadecimal integers in data_as_integer functions
* improve integer XML value formatting
* add codepage support

* remove deprecated API functions
** libfwevt_template_get_data - Remove the need to create a copy of the template data at worst only have a copy of the BinXML
** libfwevt_xml_tag_get_utf8_value_size and libfwevt_xml_tag_get_utf8_value
** libfwevt_xml_tag_get_utf16_value_size and libfwevt_xml_tag_get_utf16_value
** libfwevt_xml_value_get_utf8_string_size and libfwevt_xml_value_copy_to_utf8_string
** libfwevt_xml_value_get_utf16_string_size and libfwevt_xml_value_copy_to_utf16_string

* refactor: move value to XML string from XML tag into XML value

* Rename _read() functions to _read_data()
** libfwevt_manifest_read
** libfwevt_template_read
** libfwevt_xml_document_read

20140928
* see `git log' for more recent change log
* Created stand-alone version of version used in libevt

