1.6.1
    Update to killbill 1.8.3

1.6.0
    Update to killbill 1.7.1

1.5.0
    Update to killbill 1.6.0

1.4.0
    Update to killbill 1.4.0

1.3.0
    Update to killbill 1.3.0

1.2.0
    Update to killbill 1.2.0

1.1.0
    Update to killbill 1.1.2