Log Message:
Update to 4.5.0:

4.5.0:

  * Adds supports for compiling and linking with BerkeleyDB 4.5
  * Python Bug #1599782: Fix segfault on bsddb.db.DB().type() due to
    releasing the GIL when it shouldn't.  (nnorowitz)
  * Fixes a bug with bsddb.DB.stat where the flags and txn keyword
    arguments are transposed.
  * change test cases to use tempfile.gettempdir()

4.4.5:

  * pybsddb Bug #1527939: bsddb module DBEnv dbremove and dbrename
    methods now allow their database parameter to be None as the
    sleepycat API allows.

4.4.4:

  * fix DBCursor.pget() bug with keyword argument names when no data= is
    supplied [SF pybsddb bug #1477863]
  * add support for DBSequence objects [patch #1466734]
  * support DBEnv.log_stat() method on BerkeleyDB >= 4.0 [patch #1494885]
  * support DBEnv.lsn_reset() method on BerkeleyDB >= 4.4 [patch #1494902]
  * add DB_ARCH_REMOVE flag and fix DBEnv.log_archive() to accept it without
    potentially following an uninitialized pointer.

4.4.3:

  * fix DBEnv.set_tx_timestamp to not crash on Win64 platforms (thomas.wouters)
  * tons of memory leak fixes all over the code (thomas.wouters)
  * fixes ability to unpickle DBError (and children) exceptions