Fixed a bug that causes crash when environment variable is access while parsing php.ini
Added note to UPGRADING regarding 64-bit support in pack()/unpack()
update NEWS

Signed-off-by: Ard Biesheuvel <ard.biesheuvel@linaro.org>
Merge branch 'PHP-5.4' into PHP-5.5
update NEWS

Signed-off-by: Ard Biesheuvel <ard.biesheuvel@linaro.org>
Merge branch 'PHP-5.5' into PHP-5.6
update NEWS

Signed-off-by: Ard Biesheuvel <ard.biesheuvel@linaro.org>
Merge branch 'PHP-5.6'
update NEWS

Signed-off-by: Ard Biesheuvel <ard.biesheuvel@linaro.org>