fix bug #49490 (XPath namespace prefix conflict)
add test

- Fixed bug #49081 (DateTime::diff() mistake if start in January and interval >
28 days). (Derick)

fix bug #51721 (mark DOMNodeList and DOMNamedNodeMap as Traversable)

Fix misordered news item.

Fix for bug #48289 (iconv_mime_encode() quoted-printable scheme is broken).
Thanks to Hiroaki Kawai for the original patch.

Well, as long as we're dealing with typos... :)

- Fix typo

- Fixed bug #51732, Fileinfo __construct or open does not work with NULL

Fixed a possible memory corruption in addcslashes().

- #51273, Content-length header is limited to 32bit integer with apache2/windows

Fixed bug #51690 (Phar::setStub looks for case-sensitive __HALT_COMPILER())

- Fixed a possible stack exaustion inside fnmatch(). Reporeted by Stefan Esser

- Fix #51688, ini per dir crashes when invalid document root are given

Implement SplObjectStorage::getHash()

Fixed few buffer overflows reported by Stefan Esser.

- - Fixed #51128, imagefill() doesn't work with large images

- fix possible Dechunking Filter Buffer Overflow

Fixed a possible arbitrary memory access inside sqlite extension. Reported by Mateusz Kocielski.

- Fix #51671, imagefill does not work correctly for small images

Fixed string format validation inside phar extension. Reported by Stefan Esser

Fixed very rare memory leak in mysqlnd, when binding thousands of columns

Fixed #48361 (SplFileInfo::getPathName() should return the parent

Fixed buffer overflow in mysqlnd_change_user

Fixed possible buffer overflow in mysqlnd_conn__list_fields.

Fixed bug #51670 getColumnMeta causes segfault when re-executing query after calling nextRowset