Fixed handling of session variable serialization on certain prefix characters. Reported by Stefan Esser

- Fix #51582, Don't assume UINT64_C it's ever available

- Removed allow_call_time_pass_reference (Pierrick)

- BFN #51624

Add DTrace probes

Fix for bug #51647 Certificate file without private key (pk in another file) doesn't work

- Fixed bug #51435 (Missing ifdefs / logic bug in crypt code cause compile errors)

Optimized access to global constants using values with pre-calculated hash_values from litersls table

ZEND_RETURN is splitted into two new instructions ZEND_RETURN and ZEND_RETURN_BY_REF

- Bug #51629, CURLOPT_FOLLOWLOCATION error message is misleading

Fix for bug #51604 (newline in end of header is shown in start of message).
Patch by Daniel Egeberg.

Removed the session 4.2 bug compatibility mode

Removed session_is_registered(), session_register() and session_unregister().
-- They are no longer needed without register_globals

- Changed order to FR

Removed import_request_variables(), this is not needed anymore without register_globals

- Fixed bug #51627 (script path not correctly evaluated)
Patch by: russell dot tempero at rightnow dot com

Remove highlight.bg, it was removed in the old trunk and its not referenced in zend_highlight.c, meaning its not even implemented correctly in 5.3.

- Fixed bug #51562 (query timeout in mssql can not be changed per query)
Patch by: ejsmont dot artur at gmail dot com

Removed register_globals

- Fixed bug #51615 (PHP crash with wrong HTML in SimpleXML)

- Fixed bug #51607 (pg_copy_from does not allow schema in the tablename argument)
Patch by: cbandy at jbandy dot com

Fixed bug #49700 (memory leaks in php_date.c if garbage collector is enabled)

- Fixed bug #51609 (pg_copy_to: Invalid results when using fourth parameter)

Fixed bug #48781 (Cyclical garbage collector memory leak)

- Fixed bug #51608 (pg_copy_to: WARNING: nonstandard use of \\ in a string literal)
Patch by: cbandy at jbandy dot com