1.6.1
    Update killbill version (1.8.3)

1.6.0
    Add pagination support for search
    Improve search algorithm
    Allow setting of default payment description in configuration file

1.5.4
    Fix issue #1

1.5.3
    Fix issue #1 (did not fix it)

1.5.2
    Don't populate the second_payment_reference_id (see killbill/killbill-analytics-plugin#11)

1.5.1
    Fix bug in get_payment_info and get_refund_info

1.5.0
    Update to latest killbill 1.6.0 (new entitlement apis)

1.4.1
    Update to active_merchant 1.36.0 (no need for custom build anymore)

1.4.0
    Update to killbill 1.4.0

1.3.0
    Update to latest killbill (1.3.0 version)

1.2.0
    Update to killbill 1.2.0

1.1.0
    Update to killbill 1.1.2