Changes between 0.9.6 and 0.9.7 [xx XXX 2000]
+ *) Update OCSP API. Remove obsolete extensions argument from
+ various functions. Extensions are now handled using the new
+ OCSP extension code. New simple OCSP HTTP function which
+ can be used to send requests and parse the response.
+ [Steve Henson]
+
*) Fix the PKCS#7 (S/MIME) code to work with new ASN1. Two new
ASN1_ITEM structures help with sign and verify. PKCS7_ATTR_SIGN
uses the special reorder version of SET OF to sort the attributes