Changes between 0.9.6 and 0.9.7 [xx XXX 2000]
+ *) Hide BN_CTX structure details in bn_lcl.h instead of publishing them
+ in <openssl/bn.h>. Also further increase BN_CTX_NUM to 24.
+ [Bodo Moeller]
+
*) Modify EVP_Digest*() routines so they now return values. Although the
internal software routines can never fail additional hardware versions
might.