Revision history for Perl extension LMDB_File.
0.12 Wed Jan 25 2017
    - Conditionally compile mdb_txn_id support.
    - Updated README

0.11 Tue Jan 24 2017
    - Fix a leak in error path
    - Add support for mdb_txn_id

0.10 Fri May 20 2016
    - Update for changes in MULTICALL API in 5.24

0.09 Wed Jan 27 2016
    - Stole^WPort lmdb fix for my env_get_flags as a fix for older lmdbs

0.08 Tue Jan 21 2016
    - Include liblmdb 0.9.70
    - Adjust a test for fixed env_get_flags
    - Fix for non English locales at test time, thanks to SREZIC
    - Assorted cleanup
    Thanks to rouzier and yanick for its contributions

0.07 Mon Nov 3 2014
    - All DB perl-implemented attributes (comparators, ReadMode, UTF8, etc.)
      are now keep in Env's wrapper, so preserved across transactions.
    - Implement raw vs UTF-8 encoded DBs. See LMDB_File->UTF8
    - Revamp zero-copy read mode. Please review LMDB_File->ReadMode
    - Implement MDB_RESERVE flag in puts.
    - Include RELEASED liblmdb 0.9.14
    - Uses mdb_env_copy2 and mdb_env_copyfd2 for MDB_CP_COMPACT support
    - Expose low-level put and get as methods of LDMB::Txn
    - Add missing post 0.9.10 constants

0.06  Mon Sep 15 2014
    - Include liblmdb 0.9.14
    - Add LMDB::Txn->open and LMDB_file->new for low level dbi handling
    - Complete LMDB_File->drop support.
    - Fix typo in ->set_maxreaders
    - Use proper default flags for some methods.
    Thanks to Ken Fredric for its testing and reports

0.05  Fri Nov 22 2013
    - Depends on 0.9.10+
    - Relax Perl version dependency to 5.10.0
    - Avoid using freed memory at transaction end.
    - Add -lrt, needed in solaris
    - Documentation fixes
    Thanks to Doug Hoyte for its contributions.

0.04  Tue Oct  8 2013
    - Depends on 0.9.8+ for fixed mdb_env_copy and changed mdb_dbi_flags.
    - Cache dbflags to avoid repeated function calls
    - Fix custom comparators to use global $a and $b
    - Add experimental LMDB_File->Flush method that commit and re-open
      a txn/db for continued use, proposed by Mark Zealey.
    - Experimental zero-copy read mode. See LDMB_File->ReadMode

0.03  Fri Aug 23 2013
    - Fix MDB_INTEGERKEY handling, now works
    - Reimplement mdb_env_copy to avoid O_DIRECT issues in unsupported filesystems.
    - Fix STORE when using tie, thanks to Mark Zealey for the report.
    - Avoid warn "undefined" for flags.
    - Use proper locale when testing, should fix Alexandr Ciornii's
      failed tests reports.

0.02  Tue Aug 20 2013
    - Fix build with non threaded Perl.
    - Skip a test when can't create local directory.
    - Use LIBS and INC if passed to Makefile.PL

0.01  Mon Aug 19 2013
    - early testing release, beta?

0.00  Tue Aug  6 11:44:32 2013
    - original version; created by h2xs 1.23