Changes between 0.9.6 and 0.9.7 [xx XXX 2000]
+ *) BN_bin2bn bugfix (off-by-one error).
+ [Bodo Moeller]
+
*) Make BN_mod_inverse faster by explicitly handling small quotients
in the Euclid loop. (Speed gain about 20% for small moduli [256 or
512 bits], about 30% for larger ones [1024 or 2048 bits].)