Changes between 0.9.1c and 0.9.2
+ *) Make the top-level INSTALL documentation easier to understand.
+ [Paul Sutton]
+
+ *) Makefiles updated to exit if an error occurs in a sub-directory
+ make (including if user presses ^C) [Paul Sutton]
+
*) Make Montgomery context stuff explicit in RSA data structure.
[Ben Laurie]