* update libxml2 version
* use msys2 tar.exe instead of system32/tar.exe
* add iconv, xml, dom, xmlreader, xmlwriter, soap, libxml, simplexml support
* add test
* add sysvshm support
* add quote
* add debug
* use mingw target
* fix windows tar
* fix windows tar
* fix windows tar
* fix windows tar
* fix windows tar [skip ci]