- 4.06
    - Updating with changes as in Minion::Backend::Pg version 4.06
- 4.0403
    - Adding LICENSE file for Github
    - Meta-merge field updated for Metacpan.org
- 4.0402
    - Performing check if PostgreSQL 9.1 is supported.
- 4.0401
    - Fixing the CPAN distribution and upgrading to 4.0401
- 4.04
    - Creating Minion::Backend::Pg91 to support Postgres 9.1. Code modified from
      Minion::Backend::Pg 4.04