Fix compiler warnings in openssl.c

Fixes broken zts build (recent openssl changes)

C89

Changed return types to zend_bool, renamed test

C89 compatibility

Fixed segfault when built with OpenSSL >= 1.0.1

(PR #481)

Added support for TLSv1.1 and TLSv1.2

Added SAN matching during peer verification

DNS name comparison is now case insensitive.

Use zend_bool as return value for _match()

Using SUCCESS and FAILURE for return values
Using zend_bool for boolean arguments and return values
Reduced one level of zval indirection where possible

show method in error message

Support string and array for peer fingerprint matching

who put that stupid newline there?

add md5 and sha1 fingerprint tests

Renamed to be more descriptive of what it does

yay, reduced one variable

Fixed bug that would lead to out of bounds memory access

don't leak cert on errors, return null on zpp failure

added better wildcard matching for CN

removed the byref result

indentation fail

added option for hash function

added option for raw output

added openssl_x509_digest(), output is binary sha1