Store errors in openssl_random_pseudo_bytes

Format string fixes

Conflicts:
ext/pgsql/pgsql.c

Store errors in openssl_dh_compute_key

Store errors in openssl_encrypt and openssl_decrypt

Store errors in openssl_digest

Fix patch to work against PHP7

This also updates the testcases so they now return correct data
with the extra return value.

Add 'serialNumberHex' variable to openssl_x509_parse

Currently, openssl_x509_parse returns an integer. This can be
unexpected, as the common way of handling serial numbers is with
a

Add 'serialNumberHex' variable to openssl_x509_parse

Currently, openssl_x509_parse returns an integer. This can be
unexpected, as the common way of handling serial numbers is with
a hex string.

This is compounded as php's dechex() function cannot handle >32
bit numbers which will leave people trying to handle large serial
numbers frustrated.

By adding this extra return variable to openssl_x509_parse, the
consumer of the variable is certain that the serialNumberHex that
is returned is the exact Hex Serial number as OpenSSL returns
everywhere else.

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Store errors in openssl_seal and openssl_open

Store errors in openssl_sign and openssl_verify

Rewrite openssl_error_string to use stored errors

Store errors in openssl_(public|private)_(en|de)crypt

Fixed bug #71475: openssl_seal() uninitialized memory usage

Store errors in OpenSSL PKCS7 functions

Store errors in openssl_pbkdf2

Store errors in OpenSSL PKEY functions

Store errors in OpenSSL CSR functions

Store errors in OpenSSL PKCS12 functions

Store errors in openssl_x509_checkpurpose

Fix memory leak with not freeing OpenSSL errors

Store main errors in openssl_x509_parse

Store errors in openssl_x509_fingerprint

Store errors in openssl_x509_export

Store errors in OpenSSL SPKI functions

Store errors for some OpenSSL RAND handling

Add error storing to the OpenSSL CONF part