add some more entries for 0.9.4

NEWS

@@ -8,8 +8,13 @@
   Major changes between OpenSSL 0.9.3 and OpenSSL 0.9.4:
 
       o Transparent support for PKCS#8 format private keys: these are used
-        by several software packages and are more secure than the standard form.
-      o PKCS#5 v2.0 implementation.
+        by several software packages and are more secure than the standard
+        form
+      o PKCS#5 v2.0 implementation
+      o Password callbacks have a new void * argument for application data
+      o Avoid various memory leaks
+      o New pipe-like BIO that allows using the SSL library when actual I/O
+        must be handled by the application (BIO pair)
 
   Major changes between OpenSSL 0.9.2b and OpenSSL 0.9.3:
       o Lots of enhancements and cleanups to the Configuration mechanism