0.21 28th April 2003
* adding support for env->set_flags
* adding recursion detection
* win32 problem with rename fixed.
* problem with sub-database name in Recno & Queue fixed.
* fixed the mldbm.t test harness to work with perl 5.8.0
* added a note about not using a network drive when running the
test harness.
* fixed c_pget
* added BerkeleyDB::Env::DB_ENV method
* added support for encryption
* the dbinfo script will now indicate if the database is encrypted
* The CLEAR method is now CDB safe.