v0.3.0, 2017-04-29 -- Provide fixes for python3 and own RBLs option, thanks to tuxem and rgcarrasqueira
v0.2.4, 2016-04-24 -- Fix import for python3, thanks to rakiru
v0.2.3, 2016-04-07 -- Remove rbl.interserver.net because no longer in service
v0.2.2, 2015-02-09 -- Extend hostname with suffix dot for valid host checking
v0.2.1, 2015-01-06 -- Remove additional ahbl lists that are no longer in service
v0.2.0, 2014-12-27 -- Remove tor.ahbl.org because no longer in service
v0.1.0, 2014-08-28 -- Initial release with pip package
