Changes between 0.9.6d and 0.9.7 [XX xxx 2002]
+ *) Make sure any ENGINE control commands make local copies of string
+ pointers passed to them whenever necessary. Otherwise it is possible
+ the caller may have overwritten (or deallocated) the original string
+ data when a later ENGINE operation tries to use the stored values.
+ [Götz Babin-Ebell <babinebell@trustcenter.de>]
+
*) Improve diagnostics in file reading and command-line digests.
[Ben Laurie aided and abetted by Solar Designer <solar@openwall.com>]