+Changes Prior to 2.4 release
+ - Rewrite 'reshape' support including performing a backup
+ of the critical region for a raid5 growth, and restoring that
+ backup after a crash.
+ - Put a 'canary' at each end of the backup so a corruption
+ can be more easily detected.
+ - Remove useless 'ident' arguement from ->getinfo_super method.
+ - Support --backup-file for backing-up critical section during growth.
+
Changes Prior to 2.3.1 release
- Fixed -O2 compile so I could make and RPM.
- Type cast number to be printed %llu so it compiles on 64bit