Changes between 0.9.6 and 0.9.7 [xx XXX 2000]
+ *) Constify the ENGINE code as a result of BIGNUM constification.
+ [Richard Levitte]
+
+ *) Make it so the openssl application has all engines loaded by default.
+ [Richard Levitte]
+
*) Constify the BIGNUM routines a little more.
[Richard Levitte]